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coolant
[koo-luhnt]
noun
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.
a lubricant that dissipates the heat caused by friction.
coolant
/ ˈːəԳ /
noun
a fluid used to cool a system or to transfer heat from one part of it to another
a liquid, such as an emulsion of oil, water, and soft soap, used to lubricate and cool the workpiece and cutting tool during machining
Example Sentences
It is both the spark that can ignite a fire and the coolant that prevents us all from overheating.
In the fire zone, they had drunk vehicle coolant, probably because they were desperately thirsty.
These coolants are essential in fusion reactors to extract heat and breed tritium, but their corrosive nature threatens the integrity of the structural materials used.
Serhiy, the only man on the team, has to pour in bottled water by hand as a coolant.
Rather than try to keep these rooms cool with traditional air-conditioning units, many companies use water as a coolant, running it past the servers to chill them out.
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