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dequalinium. In DICTIOUS you will not only get to know all the dictionary meanings for the word
dequalinium, but we will also tell you about its etymology, its characteristics and you will know how to say
dequalinium in singular and plural. Everything you need to know about the word
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English
Etymology
From de(cyl) + + -ium (“quaternary ammonium compound”).
(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)
Noun
dequalinium (uncountable)
- (pharmacology) A quaternary ammonium cation whose chloride salt is used in several medications.