oleo·​res·​in | \ˌō-lē-ō-ˈre-zᵊn \

Definition of oleoresin 

1 : a natural plant product (such as copaiba) containing chiefly essential oil and resin especially : turpentine sense 1b

2 : a preparation consisting essentially of oil holding resin in solution

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Other Words from oleoresin

oleoresinous \ ˌō-​lē-​ō-​ˈre-​zᵊn-​əs , -​ˈrez-​nəs \ adjective

Examples of oleoresin in a Sentence

Recent Examples on the Web

Yes, the beer does include oleoresin capsicum, the food-grade chili oil and primary ingredient in Mace pepper spray. Matt Allyn, Popular Mechanics, "A Pepper Spray Beer That Won't Assault Your Senses," 2 Feb. 2018 Officers ordered inmates to lie on the ground and sprayed oleoresin capsicum, Edge said, commonly known as pepper spray. Laurel Andrews, Anchorage Daily News, "Prisoners riot at Seward maximum-security prison," 19 Jan. 2018 The rest of the time, pepper spray — technically known as oleoresin capsicum, or OC — was used in the general population areas of the prison. Patrick Marley, Milwaukee Journal Sentinel, "Teen inmate at Wisconsin's Lincoln Hills blasted with pepper spray 12 times in 6 months," 1 Sep. 2017 Paul Delekto talks about oleoresin capsicum, commonly known as pepper spray or OC, and its effects on Marines assigned to the security augment force on Marine Corps Air Station Futenma, March 6, 2015. Monty Davis, kansascity.com, "Watch as Denver police recruits are pepper sprayed," 10 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'oleoresin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of oleoresin

circa 1846, in the meaning defined at sense 1

History and Etymology for oleoresin

International Scientific Vocabulary

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Statistics for oleoresin

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Time Traveler for oleoresin

The first known use of oleoresin was circa 1846

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More Definitions for oleoresin


oleo·​res·​in | \ˌō-lē-ō-ˈrez-ᵊn \

Medical Definition of oleoresin 

1 : a natural plant product (as copaiba or turpentine) containing chiefly essential oil and resin

2 : a preparation consisting essentially of oil holding resin in solution

Other Words from oleoresin

oleoresinous \ -​ˈrez-​ᵊn-​əs, -​ˈrez-​nəs \ adjective

More from Merriam-Webster on oleoresin

Britannica.com: Encyclopedia article about oleoresin

Comments on oleoresin

What made you want to look up oleoresin? Please tell us where you read or heard it (including the quote, if possible).


noxious or harmful

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