gear oil

noun

A high-viscosity lubricant intended for use on transmissions, transfer cases, and differentials in automobiles etc.

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Meanings

noungear oil (countable and uncountable, plural gear oils)

plural gear oils

  1. countableuncountableA high-viscosity lubricant intended for use on transmissions, transfer cases, and differentials in automobiles etc.
Cite this entry
APA

gear oil. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/gear%20oil

MLA

“gear oil.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/gear%20oil. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “gear oil,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/gear%20oil.

Source: gear oil on Wiktionary, CC BY-SA 4.0.