Definitions for: Ac

[n] an electric current that reverses direction sinusoidally; "In the US most household current is AC at 60 cycles per second"
[n] a radioactive element of the actinide series; found in uranium ores

Synonyms: actinium, alternating current, atomic number 89

Antonyms: DC, direct current

See Also: chemical element, electrical energy, electricity, element, uranium ore

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