Bible Dictionaries
Octane

Webster's Dictionary

(n.) Any one of a group of metametric hydrocarcons (C8H18) of the methane series. The most important is a colorless, volatile, inflammable liquid, found in petroleum, and a constituent of benzene or ligroin.

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