Carbonation

Noun

1. The state of having carbon dioxide gas dissolved in a liquid; the act or process of creating that state.

   "Soda pop is basically sugar water with a little bit of flavoring and added carbonation."

2. The amount or level of dissolved carbon dioxide remaining in solution.

   "Celia didn't eat at the diner anymore because she thought the carbonation in their fountain drinks was off."

3. The replacement of calcium hydroxide with calcium carbonate triggered by a chemical reaction.
4. Synonym of carbonization.