Nearby Words

coolant

[koo-luhnt] Origin

cool·ant

[koo-luhnt]
noun
1.
a substance, usually a liquid or a gas, used to reduce the temperature of a system below a specified value by conducting away the heat produced in the operation of the system, as the liquid in an automobile cooling system or the fluid that removes heat from the core of a nuclear reactor.
2.
a lubricant that dissipates the heat caused by friction.

Origin:
1925–30; cool + -ant
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Coolant is always a great word to know.
So is zedonk. Does it mean:
the offspring of a zebra and a donkey.
a stew of meat, vegetables, potatoes, etc.
Collins
World English Dictionary
coolant (ˈkuːlənt)
 
n
1.  a fluid used to cool a system or to transfer heat from one part of it to another
2.  a liquid, such as an emulsion of oil, water, and soft soap, used to lubricate and cool the workpiece and cutting tool during machining

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

coolant
"radiator fluid," 1930, from cool + -ant.
Online Etymology Dictionary, © 2010 Douglas Harper
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