nationality

na‧tion‧al‧i‧ty /ˌnæʃəˈnæləti, ˌnæʃəˈnælɪti/ BrE AmE noun (plural nationalities)
[Word Family: noun: ↑nation, ↑national, ↑multinational, ↑nationalism, ↑nationalist, ↑nationality, ↑nationalization, ↑nationhood, ↑international, ↑internationalism, ↑internationalist, ↑internationalization; adjective: ↑national, ↑international, ↑multinational, ↑nationalist, ↑nationalistic, nationalized, ↑internationalist; verb: ↑nationalize, ↑internationalize; adverb: ↑nationally, ↑internationally]
1. [uncountable and countable] the state of being legally a citizen of a particular country ⇨ citizenship:
people of the same nationality
French/Brazilian etc nationality
He has British nationality.
dual nationality (=the state of being a citizen of two countries)
2. [countable] a large group of people with the same race, origin, language etc:
the different nationalities within the former USSR

Oxford Advanced Learner's Dictionary

nationality

na·tion·al·ity [nationality nationalities] [ˌnæʃəˈnæləti] [ˌnæʃəˈnæləti] noun (pl. na·tion·al·ities)
1. uncountable, countable the legal right of belonging to a particular nation
• to take/have/hold French nationality
• All applicants will be considered regardless of age, sex, religion or nationality.
• The college attracts students of all nationalities.

• She has dual nationality (= is a citizen of two countries).

2. countable a group of people with the same language, culture and history who form part of a political nation
• Kazakhstan alone contains more than a hundred nationalities.
Example Bank:
• He accused them of discrimination on the grounds of nationality.
• He has dual British and South African nationality.
• He recently received the Spanish passport which grants him dual nationality.
• She is hoping to adopt Australian nationality.
• The pupils are of mixed nationality.
• a German-born composer who took British nationality
• cultural differences among various nationalities
• All applicants will be considered, regardless of age, sex, religion or nationality.
• She has dual nationality.
• The city is home to more than a hundred nationalities.

• to take/have/hold French nationality

Cambridge Advanced Learner's Dictionary

nationality / ˌnæʃ. ə nˈæl.ə.ti / / ˌnæʃˈnæl- / / -t̬i / noun

A1 [ C or U ] the official right to belong to a particular country:

She has British nationality.

What nationality are you?

[ C ] a group of people of the same race, religion, traditions, etc.:

At the International School they have pupils of 46 different nationalities.

Collins Advanced Learner’s English Dictionary

nationality

[næ̱ʃənæ̱lɪti]
nationalities
1) N-VAR If you have the nationality of a particular country, you were born there or have the legal right to be a citizen.
  Asked his nationality, he said British...
  The crew are of different nationalities and have no common language.
2) N-COUNT You can refer to people who have the same racial origins as a nationality, especially when they do not have their own independent country.
  ...the many nationalities that comprise Ethiopia.
  Syn:
  race

Merriam-Webster's Advanced Learner's Dictionary

nationality

na·tion·al·i·ty /ˌnæʃəˈnæləti/ noun, pl -ties
1 [count] : a group of people who share the same history, traditions, and language, and who usually live together in a particular country
• The country is home to five nationalities and seven languages.
• people of all races and nationalities
2 formal : the fact or status of being a member or citizen of a particular nation