“pyroxanthin”的英文意思

单词

pyroxanthin

释义

pyroxanthin Chem.|paɪərɒkˈsænθɪn|
[f. pyro- 3 b + Gr. ξανθ-ός yellow + -in¹.]
A yellow crystalline substance, C₁₅H₁₂O₃, contained in crude wood-spirit, and produced by the action of potash on one of the constituents of the heavy oil of wood-tar.
1838R. D. Thomson in Brit. Ann. 331 Eblanin or pyroxanthin.1866–8Watts Dict. Chem. IV. 776 Pyroxanthin crystallises in long yellow needles.
Hence pyroˈxanthogen Chem., the constituent of wood-tar from which pyroxanthin is supposed to be formed (Watts Dict. Chem. 1866–8).

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