umbelliferone

noun
um·​bel·​lif·​er·​one | \ -ˌrōn How to pronounce umbelliferone (audio) \

Medical Definition of umbelliferone

: a crystalline phenolic lactone C9H6O3 obtained by the distillation of resins (as galbanum or asafetida) from various plants of the family Umbelliferae

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