(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.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). heptane. Retrieved September 22, 2026, from http://smartdefine.org/heptane/definitions/2016027 |
| Chicago | Webster's. 2011. "heptane" http://smartdefine.org/heptane/definitions/2016027 (accessed September 22, 2026). |
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| MLA | Webster's. "heptane" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/heptane/definitions/2016027> |