carbonic acid

1. 1.

   a weak acid known only in solution; formed when carbon dioxide combines with water

   Broaderacid

Questions about carbonic acid

What does carbonic acid mean?

carbonic acid means "a weak acid known only in solution; formed when carbon dioxide combines with water".

Is carbonic acid a common word?

carbonic acid is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.