oleoresin

American  

[oh-lee-oh-rez-uhn] / ˌoʊ li oʊˈrɛz ən /

noun

1. a mixture of an essential oil and a resin, found in nature.

2. Pharmacology. an oil holding resin in solution, extracted from a substance, as ginger, by means of alcohol, ether, or acetone.

---

oleoresin British  

/ ˌəʊlɪəʊˈrɛzɪn /

noun

1. a semisolid mixture of a resin and essential oil, obtained from certain plants

2. pharmacol a liquid preparation of resins and oils, obtained by extraction from plants

---

Other Word Forms

Derived Forms

• oleoresinous
  adjective

Etymology

Origin of oleoresin

First recorded in 1850–55; oleo- + resin

Example Sentences

The CaJohn’s gum has the same active ingredient as police-grade pepper spray, oleoresin capsicum.

From Washington Times • Apr. 8, 2023

The board first voted in early 2019 to ban probation officers from deploying pepper spray, also known as oleoresin capsicum or OC spray.

From Los Angeles Times • Feb. 24, 2023

The board first voted in early 2019 to ban all juvenile detention facilities from deploying pepper spray, also known as oleoresin capsicum or OC spray.

From Los Angeles Times • Dec. 20, 2022

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.

From New York Times • May 10, 2021

Capsicum wool, known as calorific wool, made by dissolving the oleoresin of capsicum in ether and pouring it on to absorbent cotton-wool, is useful in rheumatic affections.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" by Various