The Collaborative International Dictionary
Dipropargyl
Dipropargyl \Di`pro*par"gyl\, n. [Prefix di- + propargyl.] (Chem.) A pungent, mobile, volatile liquid, C6H6, produced artificially from certain allyl derivatives. Though isomeric with benzine, it is very different in its chemical relations. Called also dipropinyl.
Wiktionary
dipropargyl
n. (context organic compound English) A pungent volatile liquid, produced artificially from certain allyl derivatives and isomeric with benzine.