Enter a clue or pattern or both:
The Clue
Heat producer (8 letter answer)
The Answer
FRICTION
Tags
Notes
The answer FRICTION is so rare that it appears less than once every 2500 puzzles.
Definition
FRICTION as a noun:
1. (clash, friction) = a state of conflict between persons
2. (friction, rubbing) = the resistance encountered when one body is moved in contact with another
3. (friction, detrition, rubbing) = effort expended in moving one object over another with pressure