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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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更新时间:2025/1/9 18:45:46