carboxyl group

noun

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

Origin of carboxyl group

First recorded in 1875–80

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British Dictionary definitions for carboxyl group

carboxyl group

carboxyl radical

noun

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

Word Origin for carboxyl group

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

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