khellin

noun
khel·​lin
variants: also kellin \ ˈkel-​ən How to pronounce kellin (audio) \

Medical Definition of khellin

: a crystalline compound C14H12O5 obtained from the fruit of a Middle Eastern plant (Ammi visnaga) of the family Umbelliferae and used as an antispasmodic in asthma and a coronary vasodilator in angina pectoris