Word Study
propidene
CIDE DICTIONARY
propidene, n. [Propyl + ethylidene.].
The unsymmetrical hypothetical hydrocarbon radical, CH3.CH2.CH , analogous to ethylidene, and regarded as the type of certain derivatives of propane; -- called also propylidene . [1913 Webster]
For further exploring for "propidene" in Webster Dictionary Online
