soda

soda

soda [soda sodas]   [ˈsəʊdə]    [ˈsoʊdə]  noun
1. uncountable, countable =  soda water
• Add some soda to the whisky, please.

• a Scotch and soda
2. (also old-fashioned ˈsoda pop) (both NAmE) uncountable, countable a sweet fizzy drink (= a drink with bubbles) made with soda water, fruit flavour and sometimes ice cream
• Do you have any diet soda?

• He had an ice-cream soda.

3. uncountable a chemical substance in common use that is a compound of sodium
• baking/washing soda
see also  caustic soda, sodium bicarbonate, sodium carbonate
See also: soda pop  
Word Origin:

late Middle English (in sense 3): from medieval Latin, from Arabic suwwad ‘saltwort’ (a plant whose ashes were formally used in soap making).