Meaning of powerhouse

pow•er•house

Pronunciation: (pou'ur-hous"), [key]
— pl. -hous•es
  1. a generating station.
  2. a person, group, team, or the like, having great energy, strength, or potential for success.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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