The Open Dictionary

carboxyl group

noun

UK/kɑːˈbɒk.sɪl ˌɡruːp/
US/kɑːrˈbɑːk.sɪl ˌɡruːp/

Definitions of carboxyl group noun

  1. Countablechemistry

    A functional group of atoms, represented as -COOH, found in most organic acids.

    • During chemical reactions, the carboxyl group can lose a hydrogen ion, forming a negatively charged carboxylate ion.

    • Amino acids contain both an amino group and a carboxyl group.

    • Carboxyl groups are common functional groups found in many biomolecules.