ROTOR

rotor

(noun) rotating mechanism consisting of an assembly of rotating airfoils; “there are horizontal rotors on a helicopter or compressor rotors in a jet engine”

rotor, rotor coil

(noun) the rotating armature of a motor or generator

rotor

(noun) the revolving bar of a distributor

Source: WordNet® 3.1


Etymology

Noun

rotor (plural rotors)

A rotating part of a mechanical device, for example in an electric motor, generator, alternator or pump.

The wing of a helicopter or similar aircraft.

A quantity having magnitude, direction, and position.

Source: Wiktionary


Ro"tor, n. (Elec.)

Definition: The rotating part of a generator or motor.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

14 June 2025

FELLOW

(noun) a member of a learned society; “he was elected a fellow of the American Physiological Association”


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Coffee Trivia

The word “coffee” entered the English language in 1582 via the Dutch “koffie,” borrowed from the Ottoman Turkish “kahve,” borrowed in turn from the Arabic “qahwah.” The Arabic word qahwah was traditionally held to refer to a type of wine.

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