qac
noun
qac is spelled Q-A-C: 3 letters. It appears about once in every 93 million words in written English, the 309,272nd most frequent word form (wordfreq, 2021 data). As a noun, qac means “Abbreviation of quaternary ammonium cation” (English Wiktionary, September 2026). The plural of qac is qacs.
How many letters and syllables are in qac?
| Letters | 3: Q-A-C |
|---|---|
| In writing | about once in every 93 million words; the 309,272nd most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is qac?
Qac appears about once in every 93 million words in written English, the 309,272nd most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Forms of qac
- qacs plural
- qac gene
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does qac mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Abbreviation of quaternary ammonium cation.
- 2
Abbreviation of quaternary ammonium compound.
- 3
Ellipsis of qac gene (“a gene conveying resistance to quaternary ammonium compounds”).
noun
- 1
Alternative form of qac (“quaternary ammonium”).
- 2
Abbreviation of quality assurance and control.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).