cooling tower

noun

Energy.

1. 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

noun

1. 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

Word History and Origins

Origin of cooling tower¹

First recorded in 1900–05