oleo·​res·​in | \ ˌō-lē-ō-ˈre-zᵊn How to pronounce oleoresin (audio) \

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

Other Words from oleoresin

oleoresinous \ ˌō-​lē-​ō-​ˈre-​zᵊn-​əs How to pronounce oleoresin (audio) , -​ˈrez-​nəs \ adjective

Examples of oleoresin in a Sentence

Recent Examples on the Web The second was oleoresin capsicum, or pepper spray. Michelle Theriault Boots, Anchorage Daily News, 10 Apr. 2022 The sheriff's department said deputies first tried to control the situation by using verbal commands before used liquid oleoresin capsicum, which is an irritant. Phil Helsel, NBC News, 16 July 2021 Oudh is an oleoresin, born out of a fungal attack upon the heartwood of a perfectly ordinary slim-limbed tree, native to South and Southeast Asia, known as Aquilaria malaccensis. New York Times, 10 May 2021 Into the future again, modern pepper spray (also known as oleoresin of capsicum or OC spray) came into common use in the U.S. in the 1980s. Tim Macwelch, Outdoor Life, 4 Nov. 2020 The directive — one of a series — also calls for a public accounting of why tear gas and a large volume of oleoresin capscium (pepper spray) were used during recent civil unrest. Milwaukee Journal Sentinel, 3 Aug. 2020 But Special Operation Response Team members attempted to pry their way into the office with a crow bar and sprayed the room without authorization with oleoresin capsicum, also known as pepper spray, according the report. Bart Jansen, USA TODAY, 19 June 2020 Pepper spray, based on a compound called oleoresin capsicum (OC) that can also be used in grenades, behaves in a similar way. Michael Ciaglo, National Geographic, 5 June 2020 Often grouped with tear gas is Agent OC (oleoresin capsicum), or pepper spray, or its synthetic form known as PAVA spray, according to the American Civil Liberties Union (ACLU). Korin Miller, SELF, 26 Nov. 2018 See More

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.

First Known Use of oleoresin

circa 1846, in the meaning defined at sense 1

History and Etymology for oleoresin

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The first known use of oleoresin was circa 1846

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Cite this Entry

“Oleoresin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oleoresin. Accessed 1 Oct. 2022.

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More Definitions for oleoresin


oleo·​res·​in | \ ˌō-lē-ō-ˈrez-ᵊn How to pronounce oleoresin (audio) \

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 How to pronounce oleoresin (audio) \ adjective

More from Merriam-Webster on oleoresin

Britannica.com: Encyclopedia article about oleoresin


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