Meanings
nounengine oil (countable and uncountable, plural engine oils)
plural engine oils
- countableuncountableSynonym of motor oil.
The rest were undergoing special underbody cleaning safety checks at TfW depots, after speculation that the cause of the incidents may have been a build-up of engine oil and combustible material such as fallen leaves and general detritus.
2023 March 22, “Network News: Class 175s withdrawn for safety checks after fires”, in RAIL, number 979, page 13Synonyms: motor oil
Synonyms & antonyms
nounSynonym of motor oil.
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Cite this entry
APA
engine oil. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/engine%20oil
MLA
“engine oil.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/engine%20oil. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “engine oil,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/engine%20oil.
Source: engine oil on Wiktionary, CC BY-SA 4.0.