Ac

See also: Appendix:Variations of "ac"

Translingual

Symbol

Ac

1. (chemistry) Chemical element symbol for actinium.

English

Noun

Ac (plural Acs)

1. (slang, African-American Vernacular) The Acura Legend automobile.
   • 1994, Notorious B.I.G., “Unbelievable”:

     With the Mac in the Ac door paneling

Noun

Ac

1. Initialism of air-conditioning.
2. (meteorology) Initialism of altocumulus cloud.
3. Abbreviation of acetate.
4. Abbreviation of acetyl.

Usage notes

The use of "Ac" to mean acetate or acetyl is a potential source of confusion, because of the question of which if the two is intended, and also because of Ac = actinium.

Anagrams

• ca, CA, C.A., ca., &ca., &ca

Malay

Noun

Ac (uncountable)

1. (chemistry) abbreviation of aktinium

Further reading

• "Ac" in Pusat Rujukan Persuratan Melayu (PRPM) [Malay Literary Reference Centre (PRPM)] (in Malay), Kuala Lumpur: Dewan Bahasa dan Pustaka, 2017
  (also see "Ac" at PRPM first version)

Swedish

Noun

Ac

1. (organic chemistry) abbreviation of acetat

Anagrams

• ca