Carboxyl

//kɑː(ɹ)ˈbɒksɪl// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A univalent functional group consisting of a carbonyl and a hydroxyl functional group (-CO.OH); characteristic of carboxylic acids.
  2. 2
    the univalent radical -COOH; present in and characteristic of organic acids wordnet
Adjective
  1. 1
    relating to or containing the carboxyl group or carboxyl radical wordnet

Synonyms

All synonyms
carboxyl groupcarboxylic

Etymology

Blend of carbonyl + hydroxyl.

Related phrases

carboxyl methyltransferasetricarballylic acidcarboxylic acidfunctional group

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.