1. a salt of carbonic acid (containing the anion HCO3) in which one hydrogen atom has been replaced; an acid carbonate; [syn: bicarbonate, hydrogen carbonate]
WordNet (r) 3.0 (2006):
hydrogen carbonate
n 1: a salt of carbonic acid (containing the anion HCO3) in
which one hydrogen atom has been replaced; an acid
carbonate [syn: bicarbonate, hydrogen carbonate]