Definition of powerhouse in English:

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powerhouse

Pronunciation: /ˈpaʊəhaʊs/

noun

1A person or thing of great energy, strength, or power: she appears to be an intellectual powerhouse Germany’s economic powerhouse
More example sentences
  • In their heyday in the Victorian era, these powerhouses of energy could plough 20 times faster than a horse-drawn ploughman and his team and were transported from farm to farm.
  • I got very little sleep, but I was a powerhouse of restless energy.
  • A year on, he's gone from being a political outcast to a powerhouse of campaigning energy.
2 dated or US another term for power station.
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