noun, plural pow·er·hous·es [pou-er-hou-ziz for 1; pou-er-hou-siz for 2] /ˈpaʊ ərˌhaʊ zɪz for 1; ˈpaʊ ərˌhaʊ sɪz for 2/.

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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for powerhouse

Contemporary Examples of powerhouse

Historical Examples of powerhouse

  • "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

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

  • An hour later Dick was back at the powerhouse in the big dome.

  • 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

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