Translation guide
A substance added to a liquid (usually water) to lower its freezing point, commonly used in car engines.
The liquid used in car radiators to prevent freezing and overheating.
The standard technical term for antifreeze, especially for engines.
Loanword from 'coolant', often used interchangeably with antifreeze in automotive contexts.
Literally 'cooling water', but often refers to the coolant mixture in a car. May not explicitly mean antifreeze, but contextually understood.
Any chemical that lowers the freezing point of a liquid, not necessarily for engines.
In everyday conversation about cars, クーラント (coolant) is very common and understood as the antifreeze mixture. 不凍液 is more precise but slightly technical.
I need to change the car's antifreeze.
Please check the coolant level.
It looks like the coolant is leaking.
Same term as above, but can be used in broader contexts like industrial processes.
This antifreeze is also used in food factories.
Literally 'freezing prevention agent', a more descriptive term used in technical or industrial settings.
Calcium chloride is used as a de-icing agent for roads.