Word.ws English Dictionary

quaternary ammonium

quaternary ammonium noun: an ammonium group in which each hydrogen has been replaced by an alkyl or aryl group.

Noun

quaternary ammonium (countable and uncountable, plural quaternary ammoniums)

  1. An ammonium group in which each hydrogen has been replaced by an alkyl or aryl group
    Synonyms:
    quat, quaternary amine, quaternium

Synonyms of quaternary ammonium

Forms of quaternary ammonium

pluralquaternary ammoniums

Words formed from quaternary ammonium

Questions about quaternary ammonium

What does quaternary ammonium mean?
Quaternary ammonium means an ammonium group in which each hydrogen has been replaced by an alkyl or aryl group.
What part of speech is quaternary ammonium?
Quaternary ammonium is a noun.
What is the plural of quaternary ammonium?
The plural of quaternary ammonium is quaternary ammoniums.

Words near quaternary ammonium in the dictionary

  1. quaternarists
  2. quaternarius
  3. quaternarization
  4. quaternarizations
  5. quaternary
  6. quaternary ammonium
  7. quaternary ammonium compound
  8. quaternary ammonium compounds
  9. quaternary care
  10. quaternary compound
  11. quaternary compounds

Source and license

Adapted from Wiktionary: quaternary ammonium (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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