any of various green-coloured oils, esp. (a) oil pressed from unripe olives; (b) U.S. regional = petroleum, n. (now rare); (c) = anthracene oil n. at…
单词 | θ69392 |
释义 | the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > polynuclear aromatic hydrocarbons (14) green oil1607 any of various green-coloured oils, esp. (a) oil pressed from unripe olives; (b) U.S. regional = petroleum, n. (now rare); (c) = anthracene oil n. at… paranaphthalene1838 An aromatic hydrocarbon discovered in coal tar, now called anthracene. anthracene1840 A colourless crystalline aromatic hydrocarbon obtained by the distillation of coal tar or crude oil and used in chemical manufacture. Formerly called… oxanthracene1862 = anthraquinone, n. chrysene1864 A solid hydrocarbon, C18H12, occurring in crystalline form in the highest boiling fractions of coal tar, and in other substances, variable in colour… cerulein1866 A deep blue substance contained in many essential oils, also called azulene. acenaphthene1868 A crystalline aromatic hydrocarbon found in coal tar and used in the manufacture of dyes and pesticides. naphthoquinone1870 Each of six isomeric compounds, C10H6O2, notionally obtained by replacing two of the ≧CH groups of naphthalene by carbonyl groups; spec. (more fully… anthracene oil1873 a distillate containing anthracene and similar aromatic compounds; any of the components of such a liquid. azulene1874 A liquid hydrocarbon, blue in colour, found in some volatile oils; = cerulein, n. acenaphthylene1875 A crystalline aromatic hydrocarbon found in coal tar and tobacco smoke. Cf. acenaphthene, n. ionene1894 An oily liquid obtained on elimination of a water molecule from α- or β-ionone. Subcategories:— derivatives (2) |
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