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Definition of AC
1. Noun. A radioactive element of the actinide series; found in uranium ores.
Exact synonyms: Actinium, Atomic Number 89
Generic synonyms: Chemical Element, Element
Substance meronyms: Uranium Ore
Generic synonyms: Chemical Element, Element
Substance meronyms: Uranium Ore
2. Noun. An electric current that reverses direction sinusoidally. "In the US most household current is AC at 60 cycles per second"
Exact synonyms: Alternating Current, Alternating Electric Current
Generic synonyms: Electrical Energy, Electricity
Antonyms: Direct Current
Generic synonyms: Electrical Energy, Electricity
Antonyms: Direct Current