Breadcrumb Home > Thesaurus > C Synonyms of carboxyl Find synonyms for: Noun 1. carboxyl, carboxyl group, group, radical, chemical group usage: the univalent radical -COOH; present in and characteristic of organic acids Adjective 1. carboxyl, carboxylic usage: relating to or containing the carboxyl group or carboxyl radical WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of carboxyl (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: suigeneris Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language