Word.ws English Dictionary

Plural of rotor

regular plural

The plural of rotor is rotors.

Forms of rotor

Singularrotor /ˈɹəʊ.tə/
Pluralrotors /ˈɹoʊtɚz/
Countablecountable

Rotors in a sentence

  • Remember to turn the rotors when replacing the brake shoes, or they will wear out unevenly.From the entry shoe
  • The large rotational inertia of the heavy compressor and turbine rotors makes the engine slow to spool up from idle.From the entry spool up
  • "He was cut up by the rotors of an outboard motor and is whacked up all over."2009, Cindy Traisi, Because They Matter, Too, page 14. From the entry whack up
  • It's not the helo's fault, even if it is clunkier than a stumblebum old poke of a plow horse—bless its rotors.2019, M. L. Buchman, At the Slightest Sound. From the entry poke
  • As I've swapped out the discs (rotors) and pads, I can't see what else would be causing it.2002 June 6, Alan, “940 brake judder”, in alt.autos.volvo (Usenet), retrieved 11 Apr 2022. From the entry inbalanced

Meaning of rotor

  1. noun A rotating part of a mechanical device; for example, in an electric motor, generator, alternator, or pump.
  2. noun In a disc brake, the metal disc attached to the wheel hub.
  3. noun The wing of a helicopter or other rotary wing aircraft (e.g., heli-type drone).

Full definition of rotor

Questions about the plural of rotor

What is the plural of rotor?
The plural of rotor is rotors.
Is rotor countable?
Rotor is a countable noun.

Source and license

Adapted from Wiktionary: rotor (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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Cite this page: “Plural of rotor.” Word.ws, https://word.ws/plural/rotor. Based on Wiktionary, CC BY-SA 4.0.