coolant

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a fluid agent (gas or liquid) that produces cooling;
especially one used to cool a system by transferring heat away from one part to another (Freq. 2)
- he added more coolant to the car's radiator
- the atomic reactor used a gas coolant
- lathe operators use an emulsion of oil and water as a coolant for the cutting tool
• Derivationally related forms:
cool
• Hypernyms:
fluid, agent