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

naphthoquinone

/ˌnafθəʊˈkwɪnəʊn/ /ˌnapθəʊˈkwɪnəʊn/

(also naphthaquinone, napthaquinone) Chemistry

noun

Each of six isomeric compounds, C₁₀H₆O₂, notionally obtained by replacing two of the ≧CH groups of naphthalene by carbonyl groups; specifically (more fully 1,4-naphthoquinone, α-naphthoquinone) a volatile yellow solid whose molecule forms part of the structure of vitamin K.

Origin

Late 19th century; earliest use found in Journal of the Chemical Society. From naphtha + -o- + quinone.

单词	naphthoquinone
释义	naphthoquinone /ˌnafθəʊˈkwɪnəʊn/ /ˌnapθəʊˈkwɪnəʊn/ (also naphthaquinone, napthaquinone) Chemistry noun Each of six isomeric compounds, C₁₀H₆O₂, notionally obtained by replacing two of the ≧CH groups of naphthalene by carbonyl groups; specifically (more fully 1,4-naphthoquinone, α-naphthoquinone) a volatile yellow solid whose molecule forms part of the structure of vitamin K. Origin Late 19th century; earliest use found in Journal of the Chemical Society. From naphtha + -o- + quinone.
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