Synonyms of ac


1. actinium, Ac, atomic number 89, chemical element, element

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

2. alternating current, AC, alternating electric current, electricity, electrical energy

usage: an electric current that reverses direction sinusoidally; "In the US most household current is AC at 60 cycles per second"

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See also: ac (Dictionary)