Enter a clue or pattern or both:
The Clue
Thermostats, e.g. (10 letter answer)
The Answer
REGULATORS
Tags
Notes
The answer REGULATORS is so rare that it appears less than once every 2500 puzzles.
Definition
REGULATOR as a noun:
1. any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc.
2. a official responsible for control and supervision of a particular activity or area of public interest
3. (governor, regulator) = a control that maintains a steady speed in a machine (as by controlling the supply of fuel)