quaternary ammonium compound

noun

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⁻.

Similar
qacquatquaternary aminequaternary ammonium salt
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Meanings

nounquaternary ammonium compound (plural quaternary ammonium compounds)

plural quaternary ammonium compounds

  1. chemistryAn 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⁻.

    Synonyms: qac, quat, quaternary amine, quaternary ammonium salt

Synonyms & antonyms

nounAn 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⁻.

Similar
qacquatquaternary aminequaternary ammonium salt
Cite this entry
APA

quaternary ammonium compound. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/quaternary%20ammonium%20compound

MLA

“quaternary ammonium compound.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/quaternary%20ammonium%20compound. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “quaternary ammonium compound,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/quaternary%20ammonium%20compound.

Source: quaternary ammonium compound on Wiktionary, CC BY-SA 4.0.