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ac

 
Noun ac has 2 senses
  1. actinium, Ac, atomic number 89 - a radioactive element of the actinide series; found in uranium ores
    --1 is a kind of chemical element, element
    --1 is a substance of uranium ore
  2. alternating current, AC - an electric current that reverses direction sinusoidally; "In the US most household current is AC at 60 cycles per second"
    --2 is a kind of electricity, electrical energy
abyssal zone abysses abyssinia abyssinian abyssinian banana abyssinian cat abyssmally abze ac acabar acacea acacia acacia auriculiformis acacia cambegei acacia catechu acacia dealbata acacia farnesiana

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