英语词汇“heneicosane”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	heneicosane
释义	heneicosane Chem.\|hɛˈnaɪkəʊseɪn\| Also henicosane. [f. Gr. ἑν-, εἷς one + εἴκοσι twenty + -ane.] Any of the hydrocarbons of the paraffin series having twenty-one carbon atoms, esp. the unbranched isomer (n-*heneicosane). Hence heneicoˈsanic, -cosaˈnoic, -coˈsoic acid, the saturated fatty acid, C₂₀H₄₁COOH, derived from n-heneicosane. 1889Muir & Morley Watts' Dict. Chem.* II. 674/1 Henicosane C₂₁H₄₄... Formed by reduction of the dichloride..of the ketone.1915Jrnl. Chem. Soc. CVII. 738 Heneicosoic acid, CH₃·[CH₂]₁₉ ·CO₂H, is readily soluble in ether.1924Jrnl. Biol. Chem. LIX. 920 n-Heneicosanic Acid..melted at 75–76°C.1945A. N. Sachanen Chem. Const. Petroleum iv. 232 The heneicosanes substituted in position 11 (C₁₀H₂₁.CHR.C₁₀H₂₁) have low melting points (below -7°C).1951Kirk & Othmer Encycl. Chem. Technol. VI. 257 Heneicosanoic acid, C₂₁H₄₂O₂, has been reported to occur in Japanese wax and earth-nut oil, but the evidence presented indicates that it is not found in natural fats and waxes.
随便看	uplands uplay upleap upleaping upled uplift upliftable uplifted uplifter uplifting upliftment uplight uplighter uplink upload uploading uplock uplocked uplong uplook uplooker uplooking uploper uplying upmaist

英语词典包含277258条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。