Word.ws English Dictionary

motor oil

motor oil noun: oil for lubricating an internal-combustion engine.

motor oil: oil for lubricating an internal-combustion engine
Image: SIGAUS, CC BY-SA 4.0, via Wikimedia Commons

Noun

motor oil (countable and uncountable, plural motor oils)

  1. Oil for lubricating an internal-combustion engine.
    Synonyms:
    engine oil

Synonyms of motor oil

Forms of motor oil

pluralmotor oils

Questions about motor oil

What does motor oil mean?
Motor oil means oil for lubricating an internal-combustion engine.
What part of speech is motor oil?
Motor oil is a noun.
What is the plural of motor oil?
The plural of motor oil is motor oils.

Words near motor oil in the dictionary

  1. motor neuron diseases
  2. motor neurone disease
  3. motor neurons
  4. motor octane number
  5. motor octane numbers
  6. motor oil
  7. motor oils
  8. motor omnibus
  9. motor omnibuses
  10. motor plow
  11. motor plows

Source and license

Adapted from Wiktionary: motor oil (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “motor oil.” Word.ws, https://word.ws/motor_oil. Based on Wiktionary, CC BY-SA 4.0.