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单词 pristane
释义

pristane

/ˈprɪsteɪn/
Chemistry
noun
A saturated hydrocarbon which is a colourless oil and occurs in the liver oils of certain sharks and related species; 2,6,10,14-tetramethyl pentadecane, C19H40.

Origin

1920s; earliest use found in Journal of the Chemical Society. From German Pristan from classical Latin pristis large fish or sea mammal, sometimes identified with the sawfish + German -an.

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更新时间:2025/2/3 11:26:35