azulene

noun

azu·​lene
ˈazhəˌlēn
plural -s
1
a
: a liquid hydrocarbon C15H18 of intense blue color found in some essential oils (such as oil of cubebs) and in lignite tar
b
: any of various blue to violet or green hydrocarbons closely related chemically to this hydrocarbon and occurring naturally in essential oils or formed from various colorless naturally occurring sesquiterpenes
2
: a synthetic blue crystalline unsaturated bicyclic hydrocarbon C10H8 that resembles the isometric naphthalene in some properties but is more active chemically and that is the parent compound of the azulenes; cyclo-penta-cyclo-heptene

Word History

Etymology

International Scientific Vocabulary azul- (from Spanish azul blue, from Old Spanish azur, azul) + -ene

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Cite this Entry

“Azulene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/azulene. Accessed 9 Dec. 2024.

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