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单词 pristane
释义

Definition of pristane in English:

pristane

noun ˈprɪsteɪn
Chemistry
  • 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.

Definition of pristane in US English:

pristane

nounˈprɪsteɪn
Chemistry
  • 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:2024/12/26 23:55:59