Bible Dictionaries
Propidene

Webster's Dictionary

(n.) The unsymmetrical hypothetical hydrocarbon radical, CH3.CH2.CH, analogous to ethylidene, and regarded as the type of certain derivatives of propane; - called also propylidene.

Bibliography Information
Webster, Noah. Entry for 'Propidene'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/propidene.html. 1828.