coolant

word

Definition

A coolant is a liquid or gas used to remove heat from a machine or engine, helping to keep it from overheating.

Usage & Nuances

Mainly used in mechanical or automotive contexts; 'engine coolant' is common in cars. Not to be confused with 'refrigerant' (used in air conditioning or fridges). Used both as a countable and uncountable noun.

Example Sentences

The car needs more coolant to keep the engine from overheating.

basic

Always check the coolant level before a long trip.

basic

Without coolant, the machine could break down.

basic

I had to top up the coolant before driving to work.

natural

It’s important to replace your coolant every few years.

natural

After the warning light came on, I realized the coolant was low.

natural