quaternary ammonium compound

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English[edit]

Noun[edit]

quaternary ammonium compound (plural quaternary ammonium compounds)

  1. (chemistry) An amine derivative, containing four radicals, of general formula R1R2R3R4-N+X-; the radicals may be the same, different, or part of a ring; X is any univalent anion such as OH-.

Related terms[edit]