Meaning of COOLANT in English

COOLANT

coo ‧ lant /ˈkuːlənt/ BrE AmE noun [uncountable and countable] technical

[ Word Family: noun : ↑ cool , ↑ coolness , ↑ cooler , ↑ coolant ; verb : ↑ cool ; adverb : ↑ coolly ; adjective : ↑ cool ]

a liquid or gas used to cool something, especially an engine

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.