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cooling tower

American

noun

Energy.

a usually cylindrical structure, sometimes of very great size, in which heat is extracted from water that has been used for cooling, as in a nuclear reactor.

cooling tower British

noun

a tall hollow structure in which steam is condensed or water that is used as a coolant in some industrial process is allowed to cool for reuse by trickling down a surface

"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

Etymology

Origin of cooling tower

First recorded in 1900–05

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

cooling tower

In October, the companies announced a deal to restart a NextEra nuclear reactor in Iowa that closed in 2020 following wind damage to a cooling tower.

From The Wall Street Journal ● May 18, 2026

Chillers circulate water or another coolant through pipes to absorb heat, then transfer it to a cooling tower or other system to remove it.

From MarketWatch ● Jan. 8, 2026

Remi shuffled to her feet, or tried to; the earthquake knocked her backward into a cooling tower.

From Slate ● Jan. 27, 2024

A cooling tower there was demolished in September 2022, and boilers at the site were demolished in April.

From Seattle Times ● Oct. 25, 2023

Hence, either a condensing water pond or a cooling tower has to be provided to cool the condensing water and enable it to be used over and over again.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023