hydropower

noun

hy·​dro·​pow·​er ˈhī-drə-ˌpau̇(-ə)r How to pronounce hydropower (audio)
: hydroelectric power

Examples of hydropower in a Sentence

Recent Examples on the Web
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Pauline Heinrichs, who studies climate and energy at King's College London, points to China's increasing use of coal to offset hydropower shortfalls due to droughts, worsening emissions that contribute to climate change. Arkansas Online, 25 Mar. 2026 Pauline Heinrichs, who studies climate and energy at King’s College London, points to China's boosting use of coal to offset hydropower shortfalls due to droughts, worsening emissions that contribute to climate change. ABC News, 23 Mar. 2026 In the Southwest, water users have the nation's largest reservoirs at Lake Mead and Lake Powell to draw upon, though decades of regional aridification have drained at least two-thirds of their capacity and threatened their ability to produce hydropower. Brandon Loomis, AZCentral.com, 23 Mar. 2026 Thailand’s emergency energy plan suspended petroleum exports, ramped up coal output and hydropower generation, and directed government offices to conserve energy. Sheikh Saaliq, Los Angeles Times, 19 Mar. 2026 See All Example Sentences for hydropower

Word History

First Known Use

1933, in the meaning defined above

Time Traveler
The first known use of hydropower was in 1933

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Cite this Entry

“Hydropower.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydropower. Accessed 29 Mar. 2026.

Kids Definition

hydropower

noun
hy·​dro·​pow·​er ˈhī-drə-ˌpau̇(-ə)r How to pronounce hydropower (audio)
: hydroelectric power
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