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English noun: coolant

1. coolant (substance) a fluid agent (gas or liquid) that produces cooling; especially one used to cool a system by transferring heat away from one part to another


SamplesHe added more coolant to the car's radiator.
The atomic reactor used a gas coolant.
Lathe operators use an emulsion of oil and water as a coolant for the cutting tool.


Broader (hypernym)agent, fluid









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