Ac meaning

UK US /ˈeɪsi/ 2 syllables

Ac (noun): a radioactive element of the actinide series; found in uranium ores.

Ac has 2 meanings in this dictionary.

Ac as a noun

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

    Synonyms: actinium, atomic number 89

    Type of: chemical element

  2. an electric current that reverses direction sinusoidally
    • In the US most household current is AC at 60 cycles per second

    Synonyms: alternating current, alternating electric current

    Type of: electricity

How to pronounce Ac

Ac is pronounced /ˈeɪsi/ in American English. It has 2 syllables, with the stress on the first syllable.

More about Ac on Wikipedia.