ergocalciferol Hear it!

ergocalciferol definition

ergo·cal·cif·erol (ʉr′gō kal sif′ər ôl′, -ōl′)

noun

a crystalline sterol, CHOH, formed by the ultraviolet irradiation of ergosterol; vitamin D

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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