Coolant Meaning
/ˈkuːlənt/Definition, CEFR level B2, pronunciation, examples, and quiz.
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Definition
nounA medium, usually fluid, used to draw heat from an object.
Sentence Examples
The coolant is leaking.
Water will suffice as coolant in a pinch.
CEFR Practice Quiz
The mechanic checked the radiator's ____ level to prevent engine overheating.
CEFR Practice Quiz (Alternate)
The ____ is leaking.
Word Origin & History
Etymology tree English cool Latin -ns Latin -āns Old French -antbor. Proto-Indo-European *-onts Proto-Germanic *-ndz Proto-West Germanic *-andī Old English -ende Middle English -ant English -ant English coolant From cool + -ant.
Literary Quotations & Historical Citations
"Anti-freeze has not been found necessary, even in the most severe conditions, since the water is drained out if a locomotive spends any appreciable time out of service and in normal working conditions the coolant is always warm."
— 1962 October, M. J. Wilson, “Three years of dieselisation at Devons Road depot”, in Modern Railways, page 264:
Explore More B2 Vocabulary Words
CEFR Practice Quiz
The mechanic checked the radiator's ____ level to prevent engine overheating.
CEFR Practice Quiz (Alternate)
The ____ is leaking.