name: A female given name (common: 1 in 12500 females; popularity rank in the U.S.: #1050)
noun: (organic chemistry) 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).
noun: (organic chemistry) Any derivative of such hydrocarbons.