dioxin
n. [化]二氧(杂)芑
发音
词形变化
释义与例句
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1.
The unsaturated six-membered heterocycle having four carbon atoms, two oxygen atoms, and two double bonds (molecular formula C₄H₄O₂); 1,2-dioxin and 1,4-dioxin.
可数 化学 不可数 -
2.
The parent compound dibenzo-1,4-dioxin or dibenzo-p-dioxin (molecular formula C₁₂H₈O₂), in which two benzene rings are connected through two oxygen atoms; dibenzodioxin, oxanthrene.
可数 化学 不可数 -
3.
Any of a broad range of toxic or carcinogenic halogenated polycyclic compounds that occur as byproducts of herbicides.
二𫫇英
可数 化学 不可数 -
4.
Any of a broad range of toxic or carcinogenic halogenated polycyclic compounds that occur as byproducts of herbicides.
The compound 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD; molecular formula C₁₂H₄Cl₄O₂), a persistent organic pollutant of the environment which is generally produced as a byproduct of organic synthesis or when organic materials are burned.
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词汇关系
上位词 1
词源
PIE word *dwóh₁ From di- (prefix meaning ‘double; two’) + ox(ygen) + -in (suffix indicating a neutral chemical compound), a reference to the fact that the compound has two oxygen atoms.
来源:wiktionary