oil

1 of 2

noun

often attributive
1
a
: any of numerous unctuous combustible substances that are liquid or can be liquefied easily on warming, are soluble in ether but not in water, and leave a greasy stain on paper or cloth
b(1)
(2)
: the petroleum industry
2
: a substance (such as a cosmetic preparation) of oily consistency
bath oil
3
a
: an oil color used by an artist
b
: a painting done in oil colors
4
: unctuous or flattering speech

oil

2 of 2

verb

oiled; oiling; oils

transitive verb

: to smear, rub over, furnish, or lubricate with oil

intransitive verb

: to take on fuel oil
Phrases
oil the hand or oil the palm
: bribe, tip

Examples of oil in a Sentence

Noun The price of crude oil is expected to rise. We heat our house with oil. A little bit of oil will help lubricate the chain. Add a little oil to the pan and stir-fry the onions. The dressing is made with oil, vinegar, and a pinch of herbs. Verb He oiled the bearings of the machine. if you oil the machinery on a regular basis, it will operate more efficiently
Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Noun
In oil markets, U.S. crude rose to $71.76 a barrel, while Brent crude climbed to $75.39, reflecting production delays announced by major oil producers, including Saudi Arabia. Thomas G. Moukawsher, Newsweek, 5 Nov. 2024 Prices at the pump rise and fall with global oil markets, but state taxes, environmental fees and these pass-through costs add to the total price. Russ Mitchell, Los Angeles Times, 5 Nov. 2024
Verb
Looks like Trump might be oiling the wheels for Kennedy Jr. to determine what happens with health and science policy, operations and research in the U.S. government. Bruce Y. Lee, Forbes, 2 Nov. 2024 While bamboo and wood cutting boards should never go in the dishwasher, keeping them oiled will help to prevent future stains. Mary Cornetta, Better Homes & Gardens, 29 Oct. 2024 See all Example Sentences for oil 

Word History

Etymology

Noun

Middle English oile, from Anglo-French, from Latin oleum olive oil, from Greek elaion, from elaia olive

First Known Use

Noun

13th century, in the meaning defined at sense 1a

Verb

15th century, in the meaning defined at transitive sense

Time Traveler
The first known use of oil was in the 13th century

Dictionary Entries Near oil

Cite this Entry

“Oil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oil. Accessed 14 Nov. 2024.

Kids Definition

oil

1 of 2 noun
1
a
: any of numerous greasy flammable usually liquid substances from plant, animal, or mineral sources that do not dissolve in water and are used especially as lubricants, fuels, and food
b
2
: something (as a cosmetic) like oil or containing an oil
bath oil
suntan oil
3
a
: artist's paints made of pigments and oil
b
: a painting done in oils

oil

2 of 2 verb
: to put oil in or on

Medical Definition

oil

noun
1
: any of numerous unctuous combustible substances that are liquid or can be liquefied easily on warming, are soluble in ether but not in water, and leave a greasy stain on paper or cloth see essential oil, fatty oil, volatile oil
2
: a substance (as a cosmetic preparation) of oily consistency
bath oil
oil adjective

More from Merriam-Webster on oil

Last Updated: - Updated example sentences
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