noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Abbreviation of quaternary ammonium cation. abbreviation, alt-of
2. 2
   Alternative form of qac (“quaternary ammonium”). alt-of, alternative
3. 3
   Abbreviation of quaternary ammonium compound. abbreviation, alt-of
4. 4
   Abbreviation of quality assurance and control. abbreviation, alt-of
5. 5
   Ellipsis of qac gene (“a gene conveying resistance to quaternary ammonium compounds”). abbreviation, alt-of, ellipsis

Synonyms

All synonyms

quatquaternary ammonium compound

Related phrases

qac gene

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.