Share this entry
carboxyl Syllabification: car·box·yl
Pronunciation: /kärˈbäksəl/

Definition of carboxyl in English:


[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.


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

Definition of carboxyl in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources