释义 |
azu·lene \ˈazhəˌlēn\ noun (-s) Etymology: International Scientific Vocabulary azul- (from Spanish azul blue, from Old Spanish azur, azul) + -ene — more at azure 1. a. : a liquid hydrocarbon C15H18 of intense blue color found in some essential oils (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 |