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[pou-er-hous] /ˈpaʊ ərˌhaʊs/
noun, plural powerhouses
[pou-er-hou-ziz for 1;pou-er-hou-siz for 2] /ˈpaʊ ərˌhaʊ zɪz for 1;ˈpaʊ ərˌhaʊ sɪz for 2/ (Show IPA)
Electricity. a generating station.
a person, group, team, or the like, having great energy, strength, or potential for success.
Origin of powerhouse
First recorded in 1880-85; power + house Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for powerhouse
Contemporary Examples
Historical Examples
  • "We have a powerhouse here," he said, flipping the paper across the table.

    The K-Factor Harry Harrison (AKA Henry Maxwell Dempsey)
  • "They found him outside the powerhouse," said Derec bitterly.

    The Pirates of Ersatz Murray Leinster
  • An hour later Dick was back at the powerhouse in the big dome.

  • When the cables were fastened, John shouted to Dick, who was waiting in the powerhouse.

  • The powerhouse was a small squat structure in the middle of the dam.

    Space Platform Murray Leinster
British Dictionary definitions for powerhouse


an electrical generating station or plant
(informal) a forceful or powerful person or thing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for powerhouse

1873, "building where power is generated," from power (n.) + house (n.). Figurative sense is from 1913.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for powerhouse



  1. A formidable team, organization, etc: Georgia Tech, another powerhouse/ Texas Instruments, a powerhouse in electronics
  2. An energetic and effective person
  3. A vigorous, muscular person, esp an athlete
  4. Anything that constitutes winning force: If you control six votes that's a powerhouse (1915+)
The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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