Bible Dictionaries
Crotonylene

Webster's Dictionary

(n.) A colorless, volatile, pungent liquid, C4H6, produced artificially, and regarded as an unsaturated hydrocarbon of the acetylene series, and analogous to crotonic acid.

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