- 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.
Origin of cooling tower
First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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