Rotor

usgb/ˈroʊtər/
noun

A rotor is a rotating part of a mechanical device, which often includes blades or arms for the purpose of producing motion.

The helicopter's rotor must spin rapidly to lift off the ground.
Visual representation of "rotor" - A rotor is a rotating part of a mechanical device, which often includes blades or arms for the purpose of producing motion.

Often appears as...

  • rotor assembly
  • rotating rotor

Usage tips

Neutral

rotor blade, electric rotor, rotor system

Definition 1 of 2
Visual representation of "rotor"
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Understanding Function

A rotor's primary function is to generate lift or motion in various devices.

Illustration for Understanding Function
In helicopters, the rotor generates lift by creating a difference in air pressure.
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Technical Context

In engineering, familiarity with rotors is essential for understanding how machines operate.

Illustration for Technical Context
Technicians can diagnose issues based on rotor performance results.
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Common Misuse

Some may confuse 'rotor' with 'propeller', but they serve different purposes.

Illustration for Common Misuse
A propeller moves through water while a rotor moves through air.
Visual representation of the word "Rotor"

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