Bible Dictionaries
Heptane

Webster's Dictionary

(n.) Any one of several isometric hydrocarbons, C7H16, of the paraffin series (nine are possible, four are known); - so called because the molecule has seven carbon atoms. Specifically, a colorless liquid, found as a constituent of petroleum, in the tar oil of cannel coal, etc.

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