Found 2 items, similar to coolant.
English → English (WordNet) Definition: coolant coolant n : a fluid agent (gas or liquid) that produces cooling; especially one used to cool a system by transfering heat away from one part to another; “he 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”
English → English (gcide) Definition: coolant coolant \coolant\ n. a fluid (gas or liquid) used to cool a device by transferring heat away from one part to another. [WordNet 1.5]