Definition of carboxyl in English:

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carboxyl

Pronunciation: /kɑːˈbɒksʌɪl/
/kɑːˈbɒksɪl/
(also carboxy)

noun

[as modifier] Chemistry
Of or denoting the acid radical —COOH, present in most organic acids: the carboxyl group
More example sentences
  • The carboxyl group of lysergic acid has been reduced to a methyl group.
  • This is caused by a dehydration reaction between the hydroxyl group from the glycerol and the carboxyl groups of the fatty acids.
  • It is a weak organic acid that contains a carboxyl group.

Origin

Mid 19th century: from carbo- + ox- 'oxygen' + -yl.

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