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From de(cyl)[Term?] + -ium (“quaternary ammonium compound”).
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A quaternary ammonium cation whose chloride salt is used in several medications. Full definition →
From de(cyl)[Term?] + -ium (“quaternary ammonium compound”).
Etymology from Wiktionary, CC BY-SA 4.0.