Definition of 'ac'

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Definitions of 'ac'

1. (noun) actinium, Ac, atomic number 89
a radioactive element of the actinide series; found in uranium ores

2. (noun) alternating current, AC, alternating electric current
an electric current that reverses direction sinusoidally
"In the US most household current is AC at 60 cycles per second"

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'ac' - Nearby Entries
achromic achromous achromycin ac achy achylia gastrica achylia

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