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bicarbonate 音標拼音: [bɑɪk'ɑrbənət] n. 重碳酸鹽 重碳酸鹽 bicarbonate n 1: a salt of carbonic acid (containing the anion HCO3) in which one hydrogen atom has been replaced; an acid carbonate [synonym: {bicarbonate}, {hydrogen carbonate}] 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
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