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Listen to native speakers pronounce “umbelliferone” in real conversational contexts with synchronized timestamps and subtitles.
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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 Umbelliferæ, as galbanum, asafetida, etc. It is analogous to coumarin.
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