Dequalinium

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A quaternary ammonium cation whose chloride salt is used in several medications. uncountable

Etymology

From de(cyl)[Term?] + -ium (“quaternary ammonium compound”).

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