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Commentary Index | Return to PrayerRequest.com | DownloadNoah Webster Dictionary (1913 edition): Umbelliferone
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(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.