| 1. | an effervescent beverage consisting of water charged with carbon dioxide. |
| 2. | soda pop. |
| 3. | a weak solution of sodium bicarbonate, taken as a stomachic. |
car·bon·at·ed water  (kär'bə-nā'tĭd)  n. Effervescent water, usually containing salts, charged under pressure with purified carbon dioxide gas, used as a beverage or mixer. Also called club soda, seltzer, soda, soda water. |
| soda water n.
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| soft drink n. In both senses also called soda pop; also called regionally cold drink, drink, pop1, soda, soda water, tonic.
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