Definition of naphthoquinone in English:

naphthoquinone

(also napthaquinone, naphthaquinone)

noun ˌnafθəʊˈkwɪnəʊnˌnapθəʊˈkwɪnəʊn

Chemistry

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.

Definition of naphthoquinone in US English:

naphthoquinone

(also napthaquinone, naphthaquinone)

noun

Chemistry

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	Definition of naphthoquinone in English: naphthoquinone (also napthaquinone, naphthaquinone) noun ˌnafθəʊˈkwɪnəʊnˌnapθəʊˈkwɪnəʊn Chemistry 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. Definition of naphthoquinone in US English: naphthoquinone (also napthaquinone, naphthaquinone) noun Chemistry 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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