ses·​qui·​ter·​pene ˌse-skwə-ˈtər-ˌpēn How to pronounce sesquiterpene (audio)
: any of a class of terpenes C15H24
also : a derivative of such a terpene

Examples of sesquiterpene in a Sentence

Recent Examples on the Web Higher up in the canopy, sesquiterpenes were harder to track. WIRED, 29 Sep. 2023 Another essential oil with similarly soothing qualities is cedarwood, a deeply grounding oil that contains sesquiterpenes, plant compounds that can affect the central nervous system, trigger serotonin production and promote calm. Georgia Day, Vogue, 30 Oct. 2023 This suggested that ozone was turning sesquiterpenes into cloud-seeding aerosols. WIRED, 29 Sep. 2023 Many discoveries about sesquiterpenes are relatively recent. WIRED, 29 Sep. 2023 Other terpenes such as pinene, linalool, limonene and the sesquiterpene, beta-caryophyllene are pain relievers, especially when applied directly to the skin as a liniment. James David Adams, Discover Magazine, 25 Mar. 2019 Those similar substances include flavonoids, a group of plant metabolites that have antioxidant effects, and sesquiterpene lactones, a class of chemical compounds that are known to have anti-inflammatory properties, Merville said. Scott Cacciola, New York Times, 4 May 2016

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'sesquiterpene.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

circa 1888, in the meaning defined above

Time Traveler
The first known use of sesquiterpene was circa 1888

Dictionary Entries Near sesquiterpene

Cite this Entry

“Sesquiterpene.” Dictionary, Merriam-Webster, Accessed 16 Apr. 2024.

Medical Definition


ses·​qui·​ter·​pene ˌses-kwi-ˈtər-ˌpēn How to pronounce sesquiterpene (audio)
: any of a class of terpenes C15H24 containing half again as many atoms in each molecule as monoterpenes
also : a derivative of such a terpene

More from Merriam-Webster on sesquiterpene

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!