Definition of Vitamin D in English :

Define Vitamin D in English

Vitamin D meaning in English

Meaning of Vitamin D in English

Pronunciation of Vitamin D in English

Vitamin D pronunciation in English

Pronounce Vitamin D in English

Vitamin D

see synonyms of vitamin d

Noun

1. calciferol, cholecalciferol, d, ergocalciferol, viosterol, vitamin d

a fat-soluble vitamin that prevents rickets

WordNet Lexical Database for English. Princeton University. 2010.


Vitamin D

see synonyms of vitamin d
nounWord forms: plural D vitamins
any of the fat-soluble vitamins, including calciferol and cholecalciferol, occurring in fish-liver oils (esp cod-liver oil), milk, butter, and eggs: used in the treatment of rickets and osteomalacia

Collins English Dictionary. Copyright © HarperCollins Publishers


Vitamin D

see synonyms of vitamin d
any of several fat-soluble vitamins that are essential for increased absorption of calcium and phosphorus from the intestinal tract, found in fish-liver oils, milk, egg yolk, etc. or produced by irradiation of provitamins
; specif.,
a. 
vitamin D2
see also ergocalciferol
b. 
vitamin D3
see also cholecalciferol
c. 
vitamin D4, C28H45OH, produced by irradiation of a derivative of ergosterol
d. 
vitamin D5, C29H47OH, produced by irradiation of a derivative of sitosterol
, a deficiency of vitamin D tends to cause rickets

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


Vitamin D

see synonyms of vitamin d
n.
A fat-soluble vitamin occurring in several forms, especially vitamin D2 or vitamin D3, that is required for normal growth of teeth and bones and is involved in many other metabolic processes, produced in the skin upon exposure to sunlight and present in fish, eggs, and fortified foods such as milk.
n.
A colorless crystalline compound, C27H44O, found in fish, eggs, and fortified foods and formed in the skin of humans and other vertebrates upon exposure to ultraviolet radiation, as in sunlight. It is often used as a dietary supplement. Also called cholecalciferol.
n.
A white crystalline compound, C28H44O, produced commercially by ultraviolet irradiation of ergosterol obtained from fungi or plants, and used as a dietary supplement. Also called ergocalciferol.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.