Medical Dictionary

vitamin D

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 01, 2015
macaroni Hear it
Tube-shaped pasta or a fop or dandy
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears