allene

丙二烯, [pl. ]二烯烃, 丙二烯衍生物

发音

其它 /ˈæliːn/

词形变化

allenes 复数 allenes

释义与例句

n.
  1. 1.

    Any of a class of hydrocarbons having two double bonds from one carbon atom to two others - R₂C=C=CR₂; especially the parent compound CH₂=C=CH₂ (propadiene).

    化学
  2. 2.

    Any derivative of such hydrocarbons.

    化学