Definition of "Ac" :
noun: an electric current that reverses direction sinusoidally
"In the US most household current is AC at 60 cycles per second."
noun: a radioactive element of the actinide series; found in uranium ores
noun: an electric current that reverses direction sinusoidally
"In the US most household current is AC at 60 cycles per second."
noun: a radioactive element of the actinide series; found in uranium ores