rotor
[ˈɹəʊ.tə]
[ˈɹoʊ.tɚ]
A rotor is a spinning part in a machine.
You often hear about rotors when talking about wind turbines or helicopter blades. In these cases, the rotor spins around to create power or lift. But it can also refer to something like a fan blade that's rotating inside an air conditioner. The word "rotor" is similar to "rotary," which means moving in a circle.
How common is "rotor"?
Word rotor is considered rare in modern English.
It has a balanced usage among all categories: speech, fiction, newspapers and academic texts.
It has a balanced usage among all categories: speech, fiction, newspapers and academic texts.
Definitions
noun
A rotating part of a mechanical device, for example in an electric motor, generator, alternator or pump.
Real examples of "rotor" in context
