: 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
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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

Word History

First Known Use

circa 1888, in the meaning defined above

Time Traveler
The first known use of sesquiterpene was circa 1888

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Cite this Entry

“Sesquiterpene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sesquiterpene. Accessed 26 Mar. 2025.

Medical Definition

sesquiterpene

noun
: 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

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