ac - definitions and synonyms

ac noun

  1. ( also written as Ac )

    English Meaning: 

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

  2. ( also written as AC )

    English Meaning: 

    : an electric current that reverses direction sinusoidally

    Example Sentenses:

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