carboxyl group

noun

1. the univalent radical COOH, present in and characteristic of organic acids.

carboxyl group

/ -sɪl; kɑːˈbɒksaɪl /

noun

1. the monovalent group –COOH, consisting of a carbonyl group bound to a hydroxyl group: the functional group in organic acids

Word History and Origins

Origin of carboxyl group¹

First recorded in 1875–80

Word History and Origins

Origin of carboxyl group¹

C19 carboxyl, from carbo- + oxy- ² + -yl

Example Sentences

The carboxyl group constitutes another convenient starting-point for the orientation of many types of organic compounds.

From Project Gutenberg