GNU Collaborative International Dictionary of English

last match results

Found 2 definitions

1.       
   Ac n.
   1. the chemical symbol for actinum, a radioactive element.
   
   Syn. -- actinium
   
   [WordNet 1.5]
   
   
         
       

2.       
   AC n. [Acronym from alternating current.] an electric current that reverses direction sinusoidally.  Alternative to direct current, DC. [acron.]
   
   Syn. -- alternating current
   
   [WordNet 1.5]