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cooh |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Carboxyl \Car*box"yl\, n. [Carbon + oxygen + -yl.] (Chem.) The complex radical, {CO.OH}, regarded as the essential and characteristic constituent which all oxygen acids of carbon (as formic, acetic, benzoic acids, etc.) have in common; -- called also {oxatyl}.