Ac

noun (n)

1. a radioactive element of the actinide series; found in uranium ores (noun.substance)

   Sinonim: actinium, atomic number 89

   Sumber: wordnet30

2. an electric current that reverses direction sinusoidally (noun.phenomenon)

   In the US most household current is AC at 60 cycles per second

   Sinonim: alternating current, alternating electric current

   Antonim: dc, direct current, direct electric current

   Sumber: wordnet30