单词 | thion- |
释义 | thion- Chem.|ˈθaɪən| [a. Gr. θεῖον sulphur: cf. thio-.] A name for sulphur taking the place of oxygen in a compound and joined by two bonds to carbon. e.g. in methyl thioncarbamate, H2N.CS.OCH3, as distinct from methyl carbamate and methyl-thiolcarbamate: see thiol-. (Certain words beginning with thion- do not conform to this system: see thionic, etc. under thio-.)
1899[see thiol-]. 1904Ibid. LXXXVI. i. 990 The crude ester..is best converted directly into thionoxanilic acid, NHPh.CS.CO2H. |

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