(n.) Any one of a series of unsaturated metameric hydrocarbons, C7H12, of the acetylene series.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Heptine. Retrieved September 25, 2026, from http://smartdefine.org/heptine/definitions/2016039 |
| Chicago | Webster's. 2011. "Heptine" http://smartdefine.org/heptine/definitions/2016039 (accessed September 25, 2026). |
| Harvard | Webster's 2011, Heptine, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/heptine/definitions/2016039>. |
| MLA | Webster's. "Heptine" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/heptine/definitions/2016039> |