A substance, such as ice or ammonia, used to cool something by absorbing heat from it. Refrigerants are usually substances that evaporate quickly. In the process of evaporation they draw heat from surrounding substances.
Find another word for coolant. In this page you can discover 11 synonyms, antonyms, idiomatic expressions, and related words for coolant, like: refrigerant, cooling-system, antifreeze, air-filter, screenwash, exhaust-gas, evaporator, , egr, recirculation and null.