noun

octogenarian

US /ˌɑːk.toʊ.dʒəˈner.i.ən/ 
UK /ˌɒk.təʊ.dʒəˈneə.ri.ən/ 

A person who is between 80 and 89 years old

octogenarian - آدم هشتاد ساله
معادل فارسی: 

آدم هشتاد ساله

مثال انگلیسی: 

Only octogenarians and nonagenarians were allowed to join that committee for the elderly. 

فقط افرادی که در دهه ی هشتاد و نود عمر خود به سر می بردند مجاز به عضویت در آن کمیته ی افراد مسن بودند.

Longman Dictionary of Contemporary English

octogenarian

octogenarian /ˌɒktəʊdʒəˈneəriən, ˌɒktəʊdʒɪˈneəriən, -tə- $ ˌɑːktoʊ-/ BrE AmE noun [countable]
[Date: 1800-1900; Language: Latin; Origin: octogenarius 'containing eighty', from octoginta 'eighty']
someone who is between 80 and 89 years old

Oxford Advanced Learner's Dictionary

octogenarian

oc·to·gen·ar·ian [octogenarian octogenarians]   [ˌɒktədʒəˈneəriən]    [ˌɑːktədʒəˈneriən]  noun
a person between 80 and 89 years old 
Word Origin:

early 19th cent.: from Latin octogenarius (based on octoginta ‘eighty’) + -an.

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

octogenarian / ˌɒk.təʊ.dʒəˈneə.ri.ən /   / ˌɑːk.toʊ.dʒɪˈner.i- / noun [ C ]

a person who is between 80 and 89 years old

© Cambridge University Press 2013

Collins COBUILD Advanced Learner’s English Dictionary

octogenarian

/ɒktoʊdʒɪneəriən/
(octogenarians)

An octogenarian is a person who is between eighty and eighty-nine years old.

N-COUNT

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

octogenarian

oc·to·ge·nar·i·an /ˌɑːktəʤəˈnerijən/ noun, pl -ans [count] : a person who is between 80 and 89 years old

pancake

US /ˈpæn.keɪk/ 
UK /ˈpæn.keɪk/ 

UK ( mainly US crepe ) a very thin flat round cake made from a mixture of flour, milk, and egg, fried on both sides

pancake - پنکیک
معادل فارسی: 

پنکیک

مثال انگلیسی: 

Pancake is very delicious.

پنکیک بسیار خوشمزه است.

Oxford Essential Dictionary

pancake

 noun
a very thin round thing that you eat. You make pancakes with flour, eggs and milk and cook them in a frying pan

Longman Dictionary of Contemporary English

pancake

pancake /ˈpænkeɪk/ BrE AmE noun
1. [countable] a thin flat round cake made from flour, milk, and eggs, that has been cooked in a flat pan and is eaten hot ⇨ crêpe
2. [uncountable] very thick ↑make-up for your face, that is worn especially by actors

Oxford Advanced Learner's Dictionary

pancake

pan·cake [pancake pancakes pancaked pancaking]   [ˈpænkeɪk]    [ˈpænkeɪk]  noun
1. countable a thin flat round cake made from a mixture of flour, eggs and milk that is fried on both sides, usually eaten hot for breakfast in the US, and in Britain either as a dessert with sugar, jam, etc. or as a main course with meat, cheese, etc
• pancakes with maple syrup

• a selection of savoury pancakes

2. uncountable thick make-up for the face, used especially in the theatre
see as flat as a pancake at  flat  adj.  
Word Origin:

late Middle English: from the noun pan  + cake.

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

pancake / ˈpæn.keɪk / noun [ C ]

B2 UK ( mainly US crepe ) a very thin flat round cake made from a mixture of flour, milk, and egg, fried on both sides:

Do you want a sweet pancake or a savoury one?

US a sweet, thick, round cake made from flour, sugar, milk, and eggs, cooked in a pan and eaten with maple syrup, usually for breakfast:

a stack of pancakes

© Cambridge University Press 2013

Collins COBUILD Advanced Learner’s English Dictionary

pancake

/pænkeɪk/
(pancakes)

A pancake is a thin, flat, circular piece of cooked batter made from milk, flour, and eggs. Pancakes are often rolled up or folded and eaten hot with a sweet or savoury filling inside. In America, pancakes are usually eaten for breakfast, with butter and maple syrup.

flat as a pancake: see flat

N-COUNT

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

pancake

pan·cake /ˈpænˌkeɪk/ noun, pl -cakes [count]
1 : a thin, flat, round cake that is made by cooking batter on both sides in a frying pan or on a hot surface (called a griddle)
• We had blueberry pancakes and sausage for breakfast.
- see also potato pancake
2 : thick makeup worn especially by actors
• She wore sequins, false eyelashes, and pancake onstage.
- called also pancake makeup,
(as) flat as a pancake
- see 1flat

brain

US /breɪn/ 
UK /breɪn/ 

the organ inside the head that controls thought, memory, feelings, and activity

معادل فارسی: 

مغز

مثال انگلیسی: 

My son John is a brain surgeon.

پسرم‌ جان‌ جراح‌ مغز است‌.‏

Oxford Essential Dictionary

brain

 noun
the part inside the head of a person or an animal that thinks and feels:
The brain controls the rest of the body.

Longman Dictionary of Contemporary English

brain

I. brain1 S2 W2 /breɪn/ BrE AmE noun
[Language: Old English; Origin: brægen]

1. ORGAN [countable] the organ inside your head that controls how you think, feel, and move:
Messages from the brain are carried by the central nervous system.
the chemistry of the brain
the human brain
the right/left hemisphere of the brain (=the right or left side of the brain)
Emotional responses are a function of the right hemisphere of the brain.
She died of a brain tumour.
brain tissue/cell
2. INTELLIGENCE [countable usually plural, uncountable] the ability to think clearly and learn quickly:
If you had any brains, you’d know what I meant.
The job requires brains.
Something’s addled your brains (=made you confused).
Come on, use your brain, John.
3. PERSON [countable usually plural] informal someone who is intelligent, with good ideas and useful skills:
Some of our best brains are leaving the country to work in the US. ⇨ brain drain
4. FOOD [uncountable] (also brains [plural]) the brain of an animal, used as food
5. have something on the brain informal to be always thinking about something:
I’ve got that song on the brain today.
6. be the brains behind/of something to be the person who thought of and developed a particular plan, system, or organization, especially a successful one:
Danny’s definitely the brains of the project.
7. brain dead
a) in a state where your brain has stopped working properly, even though your heart may still be beating
b) informal in a state in which you seem stupid or uninteresting, especially because you live a boring life or are very tired
8. something is not brain surgery informal used to say that something is not difficult to do
⇨ bird-brain, hare-brained, ⇨ beat your brains out at beat1(22), ⇨ pick sb’s brains at pick1(7), ⇨ rack your brain(s) at rack2(2)
• • •
COLLOCATIONS (for Meaning 2)
■ verbs
have brains You should have more brains than to smoke.
use your brain It’s easy if you just use your brain.
rack your brains (=try very hard to think of something) If we all rack our brains we should come up with some ideas.
pick sb’s brains (=ask someone for ideas) I thought I’d pick Greg's brains about what to take with us.
it takes/requires brains to do something It takes brains to think of a plan like that.
something addles your brain (=makes you unable to think clearly) The alcohol had addled his brain.
■ adjectives
a good/quick brain It was obvious that Ann had a good brain.
II. brain2 BrE AmE verb [transitive] informal
to hit someone very hard on the head – used humorously:
I wanted to brain him.

Oxford Advanced Learner's Dictionary

brain

 

 

brain [brain brains brained braining] noun, verb   [breɪn]    [breɪn] 

 

noun  

 

 

IN HEAD
1. countable the organ inside the head that controls movement, thought, memory and feeling
damage to the brain
brain cells
She died of a brain tumour.
• a device to measure brain activity during sleep

 

 

 

FOOD

2. brains plural the brain of an animal, eaten as food

• sheep's brains  

 

 

INTELLIGENCE

3. uncountable, countable, usually plural the ability to learn quickly and think about things in a logical and intelligent way
It doesn't take much brain to work out that both stories can't be true.
Teachers spotted that he had a good brain at an early age.
You need brains as well as brawn (= intelligence as well as strength) to do this job.

see also  no-brainer  

 

 

INTELLIGENT PERSON

4. countable, usually plural (informal) an intelligent person

• one of the best scientific brains in the country

5. the brains singular the most intelligent person in a particular group; the person who is responsible for thinking of and organizing sth
He's always been the brains of the family.
The band's drummer is the brains behind their latest venture.
more at beat your brains out at  beat  v., blow your/sb's brains out at  blow  v., cudgel your brains at  cudgel  v., pick sb's brains at  pick  v., rack your brains at  rack  v.  
Word Origin:
Old English brægen, of West Germanic origin; related to Dutch brein.  
Thesaurus:
brain noun C
1.
The scan showed no damage to the brain.
mindheadsubconscious
the human brain/mind
deep in the brain/your mind/your subconscious
2. U, C, usually pl.
She must have inherited her mother's brains.
intelligenceintellectwitsmindgenius|AmE, informal smarts
(a) great brain/intelligence/intellect/mind/genius
have a … brain/intelligence/intellect/…wits/a … mind/genius/smarts
use your brain/intelligence/wits/mind/smarts 
Example Bank:
He had a brain scan to search for possible damage.
He has sex on the brain= thinks about nothing but sex.
He put a gun to his head and threatened to blow his brains out.
He was found to have a blood clot on his brain.
He was the brains behind the robberies.
He's got football on the brain.
His brain reeled as he realized the implication of his dismissal.
I need to pick your brains: what can you tell me about credit unions?
It's important to keep your brain ticking over.
My tired brain couldn't cope with such a complex problem.
She has a good brain for mathematics.
The left brain controls the right-hand side of the body.
The stopping distance includes the time taken for the brain to register the need to stop.
They relied on brains rather than brawn.
We racked our brains but we couldn't come up with a solution.
While cleaning his shotgun he had accidentally blown his own brains out.
Electrodes were used to measure brain activity during sleep.
Fruit eating primates have relatively larger brains than those that eat leaves.
Jack's got the brain to realize that the money won't last forever.
She must have inherited her mother's brains.
She's always been the brains of the family.
Teachers spotted early on that he had a good brain.
The band's drummer is the brains behind their latest venture.
The scan apparently showed no damage to the brain.
We have the best scientific brains in the country working on this.
• You need brains as well as brawn to do this job.

Idiom: have something on the brain 

 

verb ~ sb/sth/yourself (informal)
to kill a person or an animal by hitting them very hard on the head
I nearly brained myself on that low beam.
Verb forms:

 
Word Origin:

Old English brægen, of West Germanic origin; related to Dutch brein.

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

brain / breɪn / noun

brain

A2 [ C ] the organ inside the head that controls thought, memory, feelings, and activity:

Doctors tried desperately to reduce the swelling in her brain.

The accident left him with permanent brain damage .

His wife died from a brain tumour .

C1 [ C ] used to refer to intelligence:

Marie has an amazing brain (= is very intelligent) .

That can't possibly be the right way to do it - use your brain!

The poor child inherited his mother's brains and his father's looks.

He's got brains but he's too lazy to use them (= he is clever but lazy) .

[ C usually plural ] informal a very intelligent person, especially one who has spent a lot of time studying:

We've got the best brains in the land working on this problem.

the brains [ S ] the cleverest person of a group, especially the person who plans what the group will do:

My little brother's the brains of the family.

© Cambridge University Press 2013

Collins COBUILD Advanced Learner’s English Dictionary

brain

[bre͟ɪn]
 ♦♦
 brains, braining, brained

 1) N-COUNT Your brain is the organ inside your head that controls your body's activities and enables you to think and to feel things such as heat and pain.
  Her father died of a brain tumour.
 2) N-COUNT: usu poss N Your brain is your mind and the way that you think.
  Once you stop using your brain you soon go stale...
  Stretch your brain with this puzzle.
  Syn:
  mind, intellect
 3) N-COUNT If someone has brains or a good brain, they have the ability to learn and understand things quickly, to solve problems, and to make good decisions.
  They were not the only ones to have brains and ambition...
  I had a good brain and the teachers liked me.
 4) N-COUNT: usu pl, the N behind/of n If someone is the brains behind an idea or an organization, he or she had that idea or makes the important decisions about how that organization is managed. [INFORMAL]
  Mr White was the brains behind the scheme...
  Some investigators regarded her as the brains of the gang.
 5) VERB To brain someone means to hit them forcefully on the head. [INFORMAL]
  [V n] He had threatened to brain him then and there.
 6) PHRASE: V inflects To beat someone's brains out or bash their brains in means to hit their head very hard, so that they are badly injured or killed. [INFORMAL]
  They stood over him with clubs raised as if to beat his brains out.
 7) PHRASE: V inflects To blow someone's brains out means to shoot them in the head, killing them. [INFORMAL]
  Give me all your money or I'll blow your brains out...
  He blew his brains out with a shotgun.
 8) PHRASE: V inflects If someone has something on the brain, they keep thinking about it. [INFORMAL]
  You've had chess on the brain since you were little.
 9) PHRASE: V inflects If you pick someone's brains, you ask them to help you with a problem because they know more about the subject than you. [INFORMAL]
  Why should a successful company allow another firm to pick its brains?
 10) to rack your brainssee rack

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

 

1brain /ˈbreɪn/ noun, pl brains [count]
1 : the organ of the body in the head that controls functions, movements, sensations, and thoughts
• Scientists are learning more about how the human brain works.
• The left and right sides of the brain have different functions.
- often used before another noun
• a brain injury/tumor
brain damage/surgery
brain cells/tissue
2 informal : the ability to think and reason : intelligence
• Don't be such an idiot—use your brain. [=head]
• She has a good brain. [=she is smart]
• I'm sorry—I don't know where my brain is today. [=I'm not thinking clearly today]
• If he had half a brain [=if he was at all smart], he would have left a long time ago.
- often plural
• If he had any brains, he would have left a long time ago.
• She has both brains and beauty.
3 informal : a very intelligent person
• The other children always teased him about being such a brain.
• She is one of the best brains [=intellects, minds] in the field.
✦If you are the brains of/behind something, you are the person who thinks of plans or makes important decisions for a group.
• She's the brains of this organization.
• He was the brains behind the scheme.
beat/bash someone's brains out or US beat/bash someone's brains in informal : to hit someone on the head in a way that causes serious injury or death : to beat someone very badly
• They threatened to beat my brains in if I ever came here again.
blow someone's brains out informal : to kill someone with a shot to the head : to shoot someone fatally in the head
• When he refused to hand over the money, the robbers threatened to blow his brains out.
cudgel your brain/brains informal + old-fashioned : to think very hard : to rack your brain
• I cudgeled my brains for a solution to the problem.
on the brain informal : always in your thoughts
• I've had pizza on the brain all day. [=I've been thinking about pizza all day]
• He's got sex on the brain. [=he's always thinking about sex]
pick someone's brain/brains informal : to talk to someone in order to get helpful information or advice
• Do you have a moment? I need to pick your brain about a little situation that has come up.
rack your brain/brains
- see 2rack

pistachio

US /pɪˈstæʃ.i.oʊ/ 
UK /pɪˈstæʃ.i.əʊ/ 

A nut with a hard shell containing a green seed that can be eaten

pistachio - پسته
معادل فارسی: 

پسته

مثال انگلیسی: 

For the past 30 years Aegina has been producing about the best pistachios in the world.

در سی سال گذشته ایجاینا بهترین پسته ی دنیا را تولید کرده است.

Longman Dictionary of Contemporary English

pistachio

pistachio /pəˈstɑːʃiəʊ, pɪˈstɑːʃiəʊ $ pəˈstæʃioʊ/ BrE AmE noun (plural pistachios) [countable]
[Date: 1400-1500; Language: Italian; Origin: pistacchio, from Latin, from Greek pistakion, from pistake 'pistachio tree', from Persian pistah]
a small green nut:
pistachio ice cream

Oxford Advanced Learner's Dictionary

pistachio

pis·ta·chio [pistachio pistachios]   [pɪˈstæʃiəʊ]    [pɪˈstæʃioʊ]    [pɪˈstɑːʃiəʊ]    [pɪˈstɑːʃioʊ]  noun
(pl. pis·ta·chios)

1. (also piˈstachio nut) countable the small green nut of an Asian tree

2. uncountable a pale green colour 
Word Origin:

late Middle English pistace, from Old French, superseded in the 16th cent. by forms from Italian pistaccio, via Latin from Greek pistakion, from Old Persian.

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

pistachio (nut) / pɪˈstæʃ.i.əʊˌnʌt /   / -oʊ- / noun [ C ]

a nut with a hard shell containing a green seed that can be eaten

© Cambridge University Press 2013

Collins COBUILD Advanced Learner’s English Dictionary

pistachio

/pɪstætʃioʊ/
(pistachios)

Pistachios or pistachio nuts are small, green, edible nuts.

N-VAR

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

pistachio

pis·ta·chio /pəˈstæʃijoʊ/ noun, pl -chios [count] : a small green nut - often used before another noun
pistachio ice cream

pen

US /pen/ 
UK /pen/ 

A long, thin object used for writing or drawing with ink

pen - خودکار
معادل فارسی: 

خودکار

مثال انگلیسی: 

Pen and ink

خودکار و جوهر

Oxford Essential Dictionary

pen

 noun

1 a thing that you use for writing with a coloured liquid (called ink)

2 a small piece of ground with a fence around it for keeping farm animals in

Longman Dictionary of Contemporary English

pen

I. pen1 S2 /pen/ BrE AmE noun
[Sense 1,3: Date: 1200-1300; Language: Old French; Origin: penne 'feather, pen', from Latin penna 'feather']
[Sense 2: Language: Old English; Origin: penn]
[Sense 4: Date: 1800-1900; Origin: penitentiary]
1. [uncountable and countable] an instrument for writing or drawing with ink ⇨ pencil, biro:
a ballpoint pen
a felt-tip pen
in pen
Please fill out the form in pen.
a pen and ink drawing
2. [countable] a small piece of land enclosed by a fence to keep farm animals in:
a sheep pen ⇨ ↑playpen
3. put/set pen to paper to begin to write
4. [countable] American English informal a short form of ↑penitentiary
5. [countable] British English informal a ↑penalty, used especially when talking about football

Oxford Advanced Learner's Dictionary

pen

pen [pen pens penned penning] noun, verb   [pen]    [pen] 

noun
1. (often in compounds) an instrument made of plastic or metal used for writing with ink
pen and ink
• a new book from the pen of Martin Amis

see also  ballpoint pen, felt-tip pen, fountain pen

2. a small piece of land surrounded by a fence in which farm animals are kept

• a sheep pen

3. (NAmE, slang) =  penitentiary 
more at a slip of the pen/tongue at  slip  n.  
Word Origin:
n. sense 1 and v. sense 1 Middle English Old French penne Latin penna ‘feather’ late Latin ‘pen’
v. sense 2 and n. sense 2 Old English penn
 
Example Bank:
His pen was poised, ready to sign his name.
I grabbed a pen and began taking notes.
Let me grab a pen.
My pen's run out.
The President has yet to wield his veto pen to block a bill.
This pen won't write.
• pen and ink drawings

Idioms: pen is mightier than the sword  put pen to paper

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

pen / pen / noun [ C ] (FOR WRITING)

A1 a long, thin object used for writing or drawing with ink:

a fountain/ballpoint/felt-tip pen

Don't write in pen (= using a pen) , or you won't be able to rub out any mistakes you make.

See picture office equipment 2

 

pen / pen / noun [ C ] (ENCLOSED SPACE)

a small area surrounded by a fence, especially one in which animals are kept:

a sheep/pig pen

→  See also playpen

US slang for penitentiary :

He served nine years in the state pen.

© Cambridge University Press 2013

Collins COBUILD Advanced Learner’s English Dictionary

pen

/pen/
(pens, penning, penned)

Frequency: The word is one of the 3000 most common words in English.

1.
A pen is a long thin object which you use to write in ink.
ballpoint pen: see ballpoint
felt-tip pen: see felt-tip
N-COUNT
see also fountain pen

2.
If someone pens a letter, article, or book, they write it. (FORMAL)
She penned a short memo to his private secretary.
VERB: V n to n, also V n n

3.
A pen is also a small area with a fence round it in which farm animals are kept for a short time.
...a holding pen for sheep...
= enclosure
N-COUNT
see also playpen

4.
If people or animals are penned somewhere or are penned up, they are forced to remain in a very small area.
...to drive the cattle back to the house so they could be milked and penned for the night...
I don’t have to stay in my room penned up like a prisoner.
VERB: usu passive, be V-ed, V-ed up

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

1pen /ˈpɛn/ noun, pl pens : a writing instrument that uses ink

[count]

• She signed her name with a pen.

[noncount]

• She signed her name in pen.
- compare pencil
put/set pen to paper : to write or begin to write something
• She thought about writing a novel for several years before she finally put pen to paper.

- compare 3pen, 5pen

3pen noun, pl pens [count] : a small enclosed area for farm animals
• a sheep pen

- compare 1pen 5pen

pen

5pen noun
the pen US informal : prison
• He was sent to the pen [=the penitentiary] for armed robbery.

- compare 1pen 3pen

notebook

US /ˈnoʊt.bʊk/ 
UK /ˈnəʊt.bʊk/ 

A book of plain paper or paper with lines, for writing on

notebook - دفتر يادداشت‌
معادل فارسی: 

دفتر يادداشت‌

مثال انگلیسی: 

The police officer wrote the details down in his notebook.

مأمور پلیس، جزئیات دیده شده را در دفترچه اش نوشت.

Oxford Essential Dictionary

notebook

 noun

1 a small book that you can write in

2 a very small computer that you can carry with you and use anywhere

Longman Dictionary of Contemporary English

notebook

notebook /ˈnəʊtbʊk $ ˈnoʊt-/ BrE AmE noun [countable]
1. a book made of plain paper on which you can write notes
2. (also notebook computer) a small computer that you can carry with you ⇨ laptop

Oxford Advanced Learner's Dictionary

notebook

note·book [notebook notebooks]   [ˈnəʊtbʊk]    [ˈnoʊtbʊk]  noun

1. a small book of plain paper for writing notes in

• The police officer wrote the details down in his notebook.

2. (NAmE) (BrE ˈexercise book) a small book for students to write their work in

3. (also ˌnotebook comˈputer) a small computer that can work with a battery and be easily carried
Syn:  laptop 
compare  desktop computer, netbook, subnotebook
See also: exercise book  
Example Bank:

• She kept a notebook during the trip.

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

notebook / ˈnəʊt.bʊk /   / ˈnoʊt- / noun [ C ] (PAPER)

A2 a book of plain paper or paper with lines, for writing on:

She was jotting things down in a little notebook.
 

notebook / ˈnəʊt.bʊk /   / ˈnoʊt- / noun [ C ] ( also notebook computer ) (COMPUTER)

a very small computer that you can carry easily

→  See also laptop , palmtop

© Cambridge University Press 2013

Collins COBUILD Advanced Learner’s English Dictionary

notebook

/noʊtbʊk/
(notebooks)

1.
A notebook is a small book for writing notes in.
He brought out a notebook and pen from his pocket.
...her reporter’s notebook.
N-COUNT

2.
A notebook computer is a small personal computer.
...a range of notebook computers which allows all your important information to travel safely with you.
N-COUNT: usu N n

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

notebook

note·book /ˈnoʊtˌbʊk/ noun, pl -books [count]
1 : a book with blank pages that is used for writing notes
• Take out your notebook and write down some of your ideas.
• She kept a notebook for her poetry.
2 : a small computer that is designed to be easily carried - called also notebook computer,

mustache

mustache [noun]

Hair that a man grows above his upper lip

US /ˈmʌs.tæʃ/ 
UK /məˈstɑːʃ/ 

سبیل

مثال: 

After his puberty he never shaved his mustache.

بعد از سن بلوغش او هیچوقت سبیلش را نزد.

Hair that a man grows above his upper lip

mustache - سبیل
معادل فارسی: 

سبیل

مثال انگلیسی: 

After his puberty he never shaved his mustache.

بعد از سن بلوغش او هیچوقت سبیلش را نزد.

Oxford Essential Dictionary

moustache

 (British) (American mustache) noun
the hair above a man's mouth, below his nose:
He has got a moustache.

Longman Dictionary of Contemporary English

mustache

I. moustache BrE AmE (also mustache American English) /məˈstɑːʃ $ ˈmʌstæʃ/ noun [countable]
hair that grows on a man’s upper lip ⇨ beard:
He’s shaved off his moustache.
II. mustache /məˈstɑːʃ $ ˈmʌstæʃ/ BrE AmE noun [countable]
[Date: 1500-1600; Language: French; Origin: moustache, from Italian mustaccio, from Medieval Greek moustaki, from Greek mystax 'upper lip, mustache']
the usual American spelling of ↑moustache

Oxford Advanced Learner's Dictionary

mustache

mus·tache [mustache mustaches] (NAmE) (BrE mous·tache)  [məˈstɑːʃ]    [məˈstɑːʃ]  noun

1. a line of hair that a man allows to grow on his upper lip

2. mustaches plural a very long mustache

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

moustache ( US usually mustache ) / mʊˈstɑːʃ /   / ˈmʌs.tæʃ / noun [ C ]

moustache

B1 hair that a man grows above his upper lip:

Groucho Marx had a thick, black moustache.

See picture hair

© Cambridge University Press 2013

Collins COBUILD Advanced Learner’s English Dictionary

moustache

/məstɑ:ʃ, AM mʊstæʃ/
also mustache
(moustaches)

A man’s moustache is the hair that grows on his upper lip. If it is very long, it is sometimes referred to as his moustaches.
He was short and bald and had a moustache.

N-COUNT

mous‧tached
...three burly, moustached middle-aged men.

ADJ

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

mustache

mus·tache US or chiefly Brit mous·tache /ˈmʌˌstæʃ, Brit məˈstɑːʃ/ noun, pl -tach·es [count] : hair growing on a man's upper lip
• He used a small pair of scissors to trim his mustache.
• He decided to grow a mustache.
• The actor was wearing a false/fake mustache.
- see picture at beard
- mus·tached US or chiefly Brit mous·tached /ˈmʌˌstæʃt, Brit məˈstɑːʃt/ adj
• a mustached man [=a man who has a mustache]

museum

museum [noun]

A building where objects of historical, scientific, or artistic interest are kept

US /mjuːˈziː.əm/ 
UK /mjuːˈziː.əm/ 
museum - موزه

موزه

مثال: 

A museum of modern art

موزه هنر های معاصر 

A building where objects of historical, scientific, or artistic interest are kept

museum - موزه
معادل فارسی: 

موزه

مثال انگلیسی: 

A museum of modern art

موزه هنر های معاصر 

Oxford Essential Dictionary

museum

 noun
a building where people can look at old or interesting things:
Have you ever been to the British Museum?

Longman Dictionary of Contemporary English

museum

museum S3 W2 /mjuːˈziəm $ mjʊ-/ BrE AmE noun [countable]
[Date: 1600-1700; Language: Latin; Origin: Greek Mouseion, from Mousa; ⇨ ↑muse2]
a building where important ↑cultural, historical, or scientific objects are kept and shown to the public:
the Museum of Modern Art
The museum has an extensive collection of early photographs.

Oxford Advanced Learner's Dictionary

museum

mu·seum [museum museums]   [mjuˈziːəm]    [mjuˈziːəm]  noun
a building in which objects of artistic, cultural, historical or scientific interest are kept and shown to the public
a museum of modern art
a science museum
 
Word Origin:
early 17th cent. (denoting a university building, specifically one erected at Alexandria by Ptolemy Soter): via Latin from Greek mouseion ‘seat of the Muses’, based on mousa ‘muse’.  
Culture:
art galleries and museums of art
In Britain, works of art are displayed in art galleries and, especially outside London, in museums. Shops that sell paintings are also called galleries. In the US public art collections are displayed in art museums, and a gallery is a place where people go to buy works of art.
Many galleries and museums in Britain and the US receive limited financial support from national or local government. Other money is raised through admission fees, although admission to many British museums is free, and the sale of postcards, calendars, etc. Some galleries obtain money through sponsorship. Many works of art are expensive and galleries can rarely buy them without organizing a public appeal or, in Britain, asking for money from the National Art Collections Fund.
Visiting an art gallery is a popular leisure activity. Galleries and museums are friendlier places than they used to be. Many try to encourage children’s interest in art by arranging school visits and many people make their first trip to an art museum with their school class.
The most popular galleries in Britain, all in London, are the National Gallery, the National Portrait Gallery, Tate Britain and Tate Modern. The Royal Academy's Summer Exhibition of paintings sent in by the general public also receives a lot of visitors. Sculpture attracts less attention, and though the names of Henry Moore and Barbara Hepworth are known to many people, few could describe any of their works. Well-known galleries outside London include the National Gallery of Scotland in Edinburgh and the Birmingham Museum and Art Gallery.
Important art museums in the US include the Metropolitan Museum of Art, the Museum of Modern Art and the Guggenheim Museum, all in New York, and the Smithsonian Institution in Washington, DC. Most US cities and many smaller towns have art museums.
Galleries sometimes mount exhibitions of the paintings of one artist, e.g. Turner, that are brought together from all over the world. People are prepared to queue for a long time to see them. Many people admire old masters, famous works by great artists of the past, but have little interest in modern art. New works receive publicity in the media only when they are unusual or likely to shock people. Galleries and museums try to encourage a more positive attitude to modern art but many people remain doubtful. When the Tate displayed half a cow and its calf rotting in formaldehyde (= a chemical used to preserve it), the public criticized the artist, Damien Hirst. There is usually controversy about the winners of the Turner Prize 
Some exhibitions bring together all kinds of art, not only paintings, from a particular time or country so that people can learn about it. Exhibitions on subjects such as the Aztecs, art nouveau and the art of Turkey attract large crowds. 
Culture:
museums
Many people have a hobby that involves collecting things, e.g. stamps, postcards or antiques. In the 18th and 19th centuries wealthy people travelled and collected plants, animal skins, historical objects and works of art. They kept their collection at home until it got too big or until they died, and then it was given to a museum. The 80 000 objects collected by Sir Hans Sloane, for example, formed the core collection of the British Museum which opened in 1759.
The parts of a museum open to the public are called galleries or rooms. Often, only a small proportion of a museum’s collection is on display. Most of it is stored away or used for research. A person in charge of a department of a museum is called a keeper. Museum staff involved in the care and conservation of items are sometimes called curators.
Many museums are lively places and they attract a lot of visitors. As well as looking at exhibits, visitors can play with computer simulations and imagine themselves living at a different time in history or walking through a rainforest. At the Jorvik Centre in York, the city’s Viking settlement is recreated, and people experience the sights, sounds and smells of the old town. Historical accuracy is important but so also is entertainment. Museums must compete for people’s leisure time and money with other amusements. Most museums also welcome school groups and arrange special activities for children.
In Britain, the largest museums are the British Museum, the Science Museum, the Natural History Museum and the Victoria and Albert Museum. Museums outside London also cover every subject and period. Homes of famous people sometimes become museums, such as the house where Shakespeare was born in Stratford-upon-Avon.
The first public museum in the US was the Charlestown Museum in South Carolina, founded in 1773. The largest is the Smithsonian Institution in Washington, DC, a group of 14 museums. The most popular of these is the National Air and Space Museum. Some US museums are art museums. Many describe a period of history. In Gettysburg, Pennsylvania, for example, a museum explains the Civil War and gives details of the battle of Gettysburg. Halls of Fame are museums that honour people who have been outstanding in a certain field, e.g. baseball or rock music.
National museums receive money from the government but not enough to cover their costs. Museums usually have a shop selling books, postcards and gifts, and often a cafe. Their profits help to fund the museum. Some museums have the support of a commercial sponsor. In small museums only a few people have paid jobs, and the rest are volunteers, called docents in the US, who lead tours and answer visitors’ questions. 
Example Bank:
All the planes are museum pieces.
Although the mill is no longer in commercial use, it is maintained as a working museum.
He founded a museum of modern art in his home town.
Los Angeles County Art Museum
The first painting acquired by the museum was by Hopper.
The museum houses a fine collection of textiles.
The museum is housed in a converted church.
The website's print gallery is a virtual museum.
There's a gift shop in the museum.
a museum devoted to children's toys
a museum devoted to railway memorabilia
an exhibition of Chinese ceramics at the Ashmolean Museum
• an open-air museum of farming and the countryside

• one of the world's great museums

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

museum / mjuːˈziː.əm / noun [ C ]

A1 a building where objects of historical, scientific, or artistic interest are kept:

a museum of modern art

the Natural History Museum

© Cambridge University Press 2013

Collins COBUILD Advanced Learner’s English Dictionary

museum

/mju:zi:əm/
(museums)

Frequency: The word is one of the 1500 most common words in English.

A museum is a building where a large number of interesting and valuable objects, such as works of art or historical items, are kept, studied, and displayed to the public.
For months Malcolm had wanted to visit the Parisian art museums.
...the American Museum of Natural History.

N-COUNT

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

museum

mu·se·um /mjʊˈziːjəm/ noun, pl -ums [count] : a building in which interesting and valuable things (such as paintings and sculptures or scientific or historical objects) are collected and shown to the public
• an art museum
• a history museum
• a museum of natural history

laptop

laptop [noun]

a computer that is small enough to be carried around easily and is flat when closed

US /ˈlæp.tɑːp/ 
UK /ˈlæp.tɒp/ 

لپ تاپ، كامپيوتر كوچك‌ (كه‌ مى‌شود آن‌ را روى زانوها قرار داد)

مثال: 

A laptop would be really useful for when I'm working on the train.

A computer that is small enough to be carried around easily and is flat when closed

laptop - لپ تاپ
معادل فارسی: 

لپ تاپ

مثال انگلیسی: 

My laptop has a ​built-in ​microphone.

لپ تاپ من میکروفن درونی دارد.

Oxford Essential Dictionary

laptop

 noun
a small computer that is easy to carry

Longman Dictionary of Contemporary English

laptop

laptop /ˈlæptɒp $ -tɑːp/ BrE AmE (also ˌlaptop ˈcomputer) noun [countable]
a small computer that you can carry with you ⇨ desktop

Oxford Advanced Learner's Dictionary

laptop

lap·top [laptop laptops]   [ˈlæptɒp]    [ˈlæptɑːp]  noun

a small computer that can work with a battery and be easily carried

Syn:  notebook 

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

laptop / ˈlæp.tɒp /   / -tɑːp / noun [ C ] ( also ˌ laptop com ˈ puter )

laptop

A2 a computer that is small enough to be carried around easily and is flat when closed:

A laptop would be really useful for when I'm working on the train.

© Cambridge University Press 2013

Collins COBUILD Advanced Learner’s English Dictionary

laptop

/læptɒp/
(laptops)

A laptop or a laptop computer is a small portable computer.
She used to work at her laptop until four in the morning.

N-COUNT

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

laptop

lap·top /ˈlæpˌtɑːp/ noun, pl -tops [count] : a small computer that is designed to be easily carried
• He uses a laptop for business when he travels.
- called also laptop computer,
- compare desktop

koala

US /koʊˈɑː.lə/ 
UK /kəʊˈɑː.lə/ 

An Australian mammal with greyish fur. Koalas live in eucalyptus trees and eat their leaves

koala - کوالا
معادل فارسی: 

كوآلا

مثال انگلیسی: 

I like koalas.

من کوالاها را دوست دارم.

Oxford Essential Dictionary

koala

 noun
an Australian animal with large ears and thick grey fur that lives in trees

Longman Dictionary of Contemporary English

koala

koala /kəʊˈɑːlə $ koʊ-/ BrE AmE (also koˌala ˈbear / $ .ˈ.. ˌ./) noun [countable]
[Date: 1700-1800; Origin: From an Australian Aboriginal language]
an Australian animal like a small grey bear with no tail that climbs trees and eats leaves

Oxford Advanced Learner's Dictionary

koala

koala [koala koalas]   [kəʊˈɑːlə]    [koʊˈɑːlə]  (also koˌala ˈbear) noun
an Australian animal with thick grey fur, large ears and no tail. Koalas live in trees and eat leaves. 
Word Origin:

early 19th cent.: from Dharuk.

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

koala / kəʊˈɑː.lə /   / koʊ- / noun [ C ] ( also old-fashioned ko ˈ ala ˌ bear )

koala

an Australian mammal with greyish fur. Koalas live in eucalyptus trees and eat their leaves.

© Cambridge University Press 2013

Collins COBUILD Advanced Learner’s English Dictionary

koala

/koʊɑ:lə/
(koalas)

A koala or a koala bear is an Australian animal which looks like a small bear with grey fur and lives in trees.

N-COUNT

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

koala

ko·ala /kəˈwɑːlə/ noun, pl -al·as [count] : an Australian animal that has thick gray fur, large hairy ears, sharp claws for climbing, and no tail - called also koala bear,

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