Medical Dictionary
4 ENTRIES FOUND:

vitamin D

noun

Definition of VITAMIN D

:  any or all of several fat-soluble vitamins chemically related to steroids, essential for normal bone and tooth structure, and found especially in fish-liver oils, egg yolk, and milk or produced by activation (as by ultraviolet irradiation) of sterols: as a :  calciferol b :  cholecalciferol—called also sunshine vitamin
March 27, 2015
quiescent Hear it
Tranquilly at rest or causing no trouble
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