from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The radical group HCO3 or a compound, such as sodium bicarbonate, containing it.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the univalent anion HCO3; any salt of carbonic acid in which only one of the hydrogen atoms has been replaced
- n. sodium bicarbonate used as a mild antacid; bicarbonate of soda
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
from The Century Dictionary and Cyclopedia
- n. A carbonate containing two equivalents of carbonic acid to one of a base; one of the supercarbonates.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a salt of carbonic acid (containing the anion HCO3) in which one hydrogen atom has been replaced; an acid carbonate
bi- + carbonate (Wiktionary)