rotationsensor
nounUK /rəʊˈteɪʃən ˈsɛnsə/
US /roʊˈteɪʃən ˈsɛnsər/
A rotation sensor is a small part that tells a machine how far or how fast something is turning.
The robot's rotation sensor helps it turn exactly ninety degrees.
RELATED WORDS
OTHER MEANINGS
2. A device in a car that measures how fast the wheels are spinning.
The rotation sensor sent a warning when a wheel stopped turning.
3. A component in a game controller that detects twisting motion.
Tilt the controller and its rotation sensor moves your character.
4. An instrument on a wind turbine that tracks how fast the blades rotate.
The rotation sensor slowed the blades during the storm.