mineral oil

noun

: an oil of mineral origin
especially : a refined petroleum oil used especially as a laxative

Examples of mineral oil in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Most pest control oils are a type of mineral oil that comes as dormant or summer (all-season) oil, which is the one to use for your vegetable garden. Lauren Landers, Better Homes & Gardens, 15 July 2025 An older, 2012 review showed that mineral oil improves skin softness more than other emollients.3 2. Julie Marks, Verywell Health, 26 June 2025 The mineral oil in baby oil is a petroleum by-product. Julie Marks, Verywell Health, 26 June 2025 Then gild the lily by polishing the surface with lemon, orange, or mineral oil (DePompa’s pick) or Mohawk Finishing Products OZ Cream Polish (Shuford’s go-to). The Washington Post, San Diego Union-Tribune, 24 May 2025 See All Example Sentences for mineral oil

Word History

First Known Use

1771, in the meaning defined above

Time Traveler
The first known use of mineral oil was in 1771

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Cite this Entry

“Mineral oil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mineral%20oil. Accessed 6 Aug. 2025.

Kids Definition

mineral oil

noun
: an oil (as petroleum) of mineral origin
especially : a purified petroleum oil having no color, odor, or taste that is used especially as a laxative

Medical Definition

mineral oil

noun
1
: a liquid product of mineral origin that has the viscosity of an oil
2
: a transparent oily liquid obtained usually by distilling petroleum and used chiefly in medicine for treating constipation and especially formerly as a demulcent and solvent for nose and throat medication

called also liquid petrolatum, white mineral oil

More from Merriam-Webster on mineral oil

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