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Noun: Ac
  1. A radioactive element of the actinide series; found in uranium ores
    - actinium, atomic number 89
Noun: AC
  1. An electric current that reverses direction sinusoidally
    "In the US most household current is AC at 60 cycles per second";
    - alternating current, alternating electric current

Type of: chemical element, electrical energy, electricity, element, leccy [Brit, informal]

Part of: uranium ore

Encyclopedia: Ac

AC, Akademikernes Centralorganisation