炭酸
Meanings
1
carbonic acid
Chemistry term for the weak acid H₂CO₃.
Carbonic acid shows weak acidity when dissolved in water.
2
carbonated water; carbonated drink
abbreviation
Abbreviation of 炭酸水 or 炭酸飲料. Commonly used in compounds like 炭酸ジュース or 炭酸入り.
I want to drink something cold and carbonated.
This carbonated drink is strongly fizzy and delicious.
3
usually written using kana aloneabbreviation
Abbreviation of 炭酸水素ナトリウム (sodium bicarbonate) or 炭酸ナトリウム (sodium carbonate). Usually written in katakana as タンサン. Common in cleaning and cooking contexts.
See also: 炭酸水素ナトリウム
I cleaned the kitchen stains with baking soda.
Using baking soda makes the bread bake up fluffy.
Usage patterns
- 炭酸が抜けるfor a carbonated drink to go flat
I left the cola open and it went flat.
- 炭酸で〈物〉を洗うto clean something with baking soda
I cleaned the stains in the sink with baking soda.
- 炭酸が強い/弱いto have strong/weak carbonation
This carbonated water has strong fizz and is hard to drink.