JMdict entry #1418530

1. noun (common) (futsuumeishi) chemistry carbonic acid
2. noun (common) (futsuumeishi) abbreviation carbonated water; carbonated drink
   see: 炭酸水, 炭酸飲料
3. noun (common) (futsuumeishi) word usually written using kana aloneabbreviation baking soda; sodium carbonate
   see: 炭酸水素ナトリウム