What does AC mean?

Definitions for AC

Here are all the possible meanings and translations of the word AC.

Princeton's WordNet

  1. actinium, Ac, atomic number 89(noun)

    a radioactive element of the actinide series; found in uranium ores

  2. alternating current, AC, alternating electric current(noun)

    an electric current that reverses direction sinusoidally

    "In the US most household current is AC at 60 cycles per second"


  1. ac(Conjunction)


  2. Ac(Noun)


  3. Ac(Noun)

    Altocumulus clouds.

  4. Ac(Noun)

    The Acura Legend.

    With the Mac in the Ac door panelin - Notorious B.I.G. (Unbelievable, 1994)

  5. Origin: From ak. Cognate with ac, Gothic 0330033A, oh.


  1. ac

    .ac is the Internet country code top-level domain for Ascension Island. It is administered by NIC.AC, a subsidiary of the Internet Computer Bureau based in the United Kingdom. Registration for this domain is open to anyone. The registry accepts registrations of internationalized domain names. .ac is marketed by some domain-brokers as a domain for the city of Aachen in Germany, using the analogy to the automotive license plate designation for the city.

Suggested Resources

  1. ac

    Song lyrics by ac -- Explore a large variety of song lyrics performed by ac on the Lyrics.com website.

British National Corpus

  1. Nouns Frequency

    Rank popularity for the word 'AC' in Nouns Frequency: #2237

Anagrams for AC »

  1. CA, ca, ca.


  1. Chaldean Numerology

    The numerical value of AC in Chaldean Numerology is: 4

  2. Pythagorean Numerology

    The numerical value of AC in Pythagorean Numerology is: 4

Images & Illustrations of AC


Translations for AC

From our Multilingual Translation Dictionary

Get even more translations for AC »


Find a translation for the AC definition in other languages:

Select another language:

Discuss these AC definitions with the community:

Word of the Day

Would you like us to send you a FREE new word definition delivered to your inbox daily?

Please enter your email address:     


Use the citation below to add this definition to your bibliography:


"AC." Definitions.net. STANDS4 LLC, 2018. Web. 20 Mar. 2018. <https://www.definitions.net/definition/AC>.

Are we missing a good definition for AC? Don't keep it to yourself...

Nearby & related entries:

Alternative searches for AC:

Thanks for your vote! We truly appreciate your support.