Bible Dictionaries
Umbelliferone

Webster's Dictionary

(n.) A tasteless white crystalline substance, C9H6O3, found in the bark of a certain plant (Daphne Mezereum), and also obtained by the distillation of certain gums from the Umbelliferae, as galbanum, asafetida, etc. It is analogous to coumarin. Called also hydroxy-coumarin.

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