'Bicarbonate' definitions:

Definition of 'bicarbonate'

(from WordNet)
noun
A salt of carbonic acid (containing the anion HCO3) in which one hydrogen atom has been replaced; an acid carbonate [syn: bicarbonate, hydrogen carbonate]

Definition of 'Bicarbonate'

From: GCIDE
  • Bicarbonate \Bi*car"bon*ate\, n. [Pref. bi- + carbonate.] (Chem.) A carbonate in which but half the hydrogen of the acid is replaced by a positive element or radical, thus making the proportion of the acid to the positive or basic portion twice what it is in the normal carbonates; an acid carbonate; -- sometimes called supercarbonate. [1913 Webster] Bicarbureted