oleoresin

[ oh-lee-oh-rez-uhn ]

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

/ 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

Derived Forms

• ˌoleoˈresinous, adjective

Word History and Origins

Origin of oleoresin¹

First recorded in 1850–55; oleo- + resin

Example Sentences

Pepper spray, or oleoresin capsicum, may be used against “specific individuals engaged in unlawful conduct or actively resisting arrest, or as necessary in a defensive capacity,” the guidelines state.

From Seattle Times

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

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

Prosecutors said that last May, Cable gave homeless people in Huntington Beach food laced with oleoresin capsicum, which officials described as being twice as strong as pepper spray used by police.

From Seattle Times

He said the findings center on the unnecessary use of oleoresin capsicum spray, commonly known as pepper spray, and unreasonable periods of cell confinement that prevented youths from receiving adequate educational and medical care.

From Los Angeles Times