noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A quaternary ammonium cation N-benzyl-2-(2,6-dimethylanilino)-N,N-diethyl-2-oxoethan-1-aminium benzoate; the most bitter chemical compound known, whose salts are used as aversive agents to prevent accidental ingestion of dangerous substances. uncountable

Synonyms

All synonyms

lidocaine

Etymology

From denat(ure) + -onium (“a quaternary ammonium compound”).

Related phrases

denatonium benzoatedenatonium saccharidechemical compoundquaternary ammonium

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.