Word.ws English Dictionary

a.c.

a.c. is the initialism of alternating current.

a.c. is the initialism of ante cibum.

Meaning of alternating current

Noun

alternating current (countable and uncountable, plural alternating currents, abbreviation AC)

  1. An electric current in which the direction of flow of the electrons reverses periodically.

Adjective capitalized: A.C.

A.C.

  1. acromioclavicular
  2. axiocervical
  3. atriocarotid
  4. auriculocarotid

Adverb capitalized: A.C.

A.C.

  1. ante Christum, before Christ

Noun capitalized: A.C.

A.C. (countable and uncountable, plural A.C.s)

  1. adrenal cortex
  2. air conduction
  3. alternating current
  4. anodal closure
  5. anno Christi
  6. appellate court
  7. army corps
  8. athletic club

Phrase capitalized: A.C.

A.C.

  1. (India, abbreviation, historical, initialism) Initialism of after compliments: marking the omitted formalities of native compliments, in official versions of native letters.

Forms of a.c.

Adjective
alternative formAC
Noun
pluralA.C.s

Questions about a.c.

What does a.c. mean?
A.c. means acromioclavicular.
What is a.c. the initialism of?
A.c. is the initialism of alternating current.
What part of speech is a.c.?
A.c. can be an adjective, an adverb, a noun or a phrase.

Words near a.c. in the dictionary

  1. A.A.U.W.
  2. a.b.
  3. A.B.A.
  4. A.B.C.
  5. A.B.s
  6. a.c.
  7. A.C.A.B.
  8. A.C.T.
  9. A.D.
  10. A.D.A.
  11. A.D.H.D.

Source and license

Adapted from Wiktionary: a.c. (page history and authors); A.C. (page history and authors); alternating current (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.

Last updated:

Cite this entry: “a.c..” Word.ws, https://word.ws/a.c.. Based on Wiktionary, CC BY-SA 4.0.