Enter a clue or pattern or both:
The Clue
Heat-removing substances (8 letter answer)
The Answer
COOLANTS
Tags
Notes
The answer COOLANTS is so rare that it appears less than once every 2500 puzzles.
Definition
COOLANT as a noun:
1. 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; "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"