Other definitions for Ac (2 of 11)

Ac1

abbreviationChemistry.

Other definitions for Ac (3 of 11)

Ac2

Symbol, Chemistry.

Other definitions for AC (4 of 11)

AC

abbreviationElectricity.

Other definitions for ac- (5 of 11)

ac-

  1. variant of ad- before c and qu: accede; acquire.

Other definitions for -ac (6 of 11)

-ac

  1. variant of -ic after Greek noun stems ending in i:cardiac; maniac.

Origin of -ac

6
From Latin -acus, from Greek -akos

Other definitions for a.c. (7 of 11)

a.c.

abbreviation
  1. (in prescriptions) before meals.

Origin of a.c.

7
From Latin ante cibum

Other definitions for A/C (8 of 11)

A/C1

or a/c

[ ey-see ]

abbreviation, noun
  • Also AC, A.C., a.c.

Other definitions for A/C (9 of 11)

A/C2

abbreviationBookkeeping.

Other definitions for A.C. (10 of 11)

A.C.1

abbreviation
  1. before Christ.

Origin of A.C.

10
From Latin ante Christum

Other definitions for A.C. (11 of 11)

A.C.2

abbreviation
  1. Army Corps.

  2. Athletic Club.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use ac in a sentence

British Dictionary definitions for ac (1 of 6)

ac

the internet domain name for
  1. Ascension Island

British Dictionary definitions for Ac (2 of 6)

Ac

the chemical symbol for
  1. actinium

British Dictionary definitions for AC (3 of 6)

AC

abbreviation for
  1. alternating current: Compare DC

  2. ante Christum

  1. Air Corps

  2. athletic club

  3. Companion of the Order of Australia

  4. appellation d'origine contrôlée: the highest French wine classification; indicates that the wine meets strict requirements concerning area of production, strength, etc: See VDQS, vin de pays, vin de table

  5. Aelodau'r Cynulliad: Member of the Assembly (that is, the National Assembly of Wales)

Origin of AC

3
(for sense 2) Latin: before Christ

British Dictionary definitions for a.c. (4 of 6)

a.c.

/ obsolete /


abbreviation for
  1. (in prescriptions) ante cibum

Origin of a.c.

4
Latin: before meals

British Dictionary definitions for a/c (5 of 6)

a/c

/ accounting /


abbreviation for
  1. account

  2. account current

British Dictionary definitions for A/C (6 of 6)

A/C

abbreviation for
  1. (in Canada) Air Commodore

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for Ac (1 of 2)

Ac

Scientific definitions for AC (2 of 2)

AC

  1. Abbreviation of alternating current

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.