ketene

n. [化] 乙烯酮, 烯酮

词形变化

ketenes 复数 ketenes

释义与例句

n.
  1. 1.

    any of a class of unsaturated ketones, having a general formula R₁R₂C=C=O, that react as if they were inner acid anhydrides

    化学
  2. 2.

    the parent compound of this class, CH₂=C=O, an unstable, reactive colourless gas

    化学

词源

From keto- + -ene.

来源：wiktionary