from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The univalent radical, COOH, the functional group characteristic of all organic acids.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A univalent functional group consisting of a carbonyl and a hydroxyl functional group (-CO.OH); characteristic of carboxylic acids.
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
from The Century Dictionary and Cyclopedia
- n. A hypothetical organic radical having the formula COOH.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. relating to or containing the carboxyl group or carboxyl radical
- n. the univalent radical -COOH; present in and characteristic of organic acids
carb(o)- + ox(y)- + -yl.(American Heritage® Dictionary of the English Language, Fourth Edition)