alternator

from WordNet (r) 3.0 (2006)
alternator
    n 1: an old term for an electric generator that produces
         alternating current (especially in automobiles)
    
from The Collaborative International Dictionary of English v.0.48
Alternator \Al"ter*na`tor\, n. (Elec.)
   An electric generator or dynamo for producing alternating
   currents.
   [Webster 1913 Suppl.]
    

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