(n.) A nitrogenous base, C9H7N obtained as a pungent colorless liquid by the distillation of alkaloids, bones, coal tar, etc. It the nucleus of many organic bodies, especially of certain alkaloids and related substances; hence, by extension, any one of the series of alkaloidal bases of which quinoline proper is the type.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). quinoline. Retrieved October 2, 2026, from http://smartdefine.org/quinoline/definitions/2051998 |
| Chicago | Webster's. 2011. "quinoline" http://smartdefine.org/quinoline/definitions/2051998 (accessed October 2, 2026). |
| Harvard | Webster's 2011, quinoline, Smart Define, viewed 2 October, 2026, <http://smartdefine.org/quinoline/definitions/2051998>. |
| MLA | Webster's. "quinoline" 27 May 2011. Web. 2 October 2026. <http://smartdefine.org/quinoline/definitions/2051998> |