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

heptacosane n.

Brit.

/ˌhɛptəˈkəʊseɪn/

U.S.

/ˌhɛptəˈkoʊˌseɪn/

(also heptai'cosane) [Greek εἴκοσι twenty: see -ane suffix²] Chemistry any of the hydrocarbons of the paraffin series having twenty-seven carbon atoms, esp. the unbranched isomer, which is present in tobacco oil and many natural waxes.

ΘΚΠ

the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > alkanes > straight-chained by number of carbon atoms > twenty-seven

heptacosane1889

1889 H. F. Morley & M. M. P. Muir Watts' Dict. Chem. (rev. ed.) II. 675/1 n-Heptaicosane C₂₇H₅₆.

1901 Jrnl. Chem. Soc. 79 i. 986 The results of the analysis..indicate that the second hydrocarbon is in all probability heptacosane, C₂₇H₅₆.

1961 L. F. Fieser & M. Fieser Adv. Org. Chem. iv. 110 Beeswax contains heptacosane (C₂₇H₅₆) and hentriacontane (C₃₁H₆₄).

单词	heptacosane
释义	> as lemmas heptacosane heptacosane n. Brit. /ˌhɛptəˈkəʊseɪn/ , U.S. /ˌhɛptəˈkoʊˌseɪn/ (also heptai'cosane) [Greek εἴκοσι twenty: see -ane suffix²] Chemistry any of the hydrocarbons of the paraffin series having twenty-seven carbon atoms, esp. the unbranched isomer, which is present in tobacco oil and many natural waxes. ΘΚΠ the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > alkanes > straight-chained by number of carbon atoms > twenty-seven heptacosane1889 1889 H. F. Morley & M. M. P. Muir Watts' Dict. Chem. (rev. ed.) II. 675/1 n-Heptaicosane C₂₇H₅₆. 1901 Jrnl. Chem. Soc. 79 i. 986 The results of the analysis..indicate that the second hydrocarbon is in all probability heptacosane, C₂₇H₅₆. 1961 L. F. Fieser & M. Fieser Adv. Org. Chem. iv. 110 Beeswax contains heptacosane (C₂₇H₅₆) and hentriacontane (C₃₁H₆₄). extracted from hepta-comb. form < as lemmas
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> as lemmas