Bible Dictionaries
Isoprene

Webster's Dictionary

(n.) An oily, volatile hydrocarbon, obtained by the distillation of caoutchouc or guttaipercha.

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