cholecalciferol


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cho·le·cal·cif·er·ol

 (kō′lĭ-kăl-sĭf′ə-rôl′, -rōl′)
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

cholecalciferol

(ˌkəʊlɪkælˈsɪfəˌrɒl)
n
(Biochemistry) a compound occurring naturally in fish-liver oils, used to treat rickets. Formula: C27H44O. Also: vitamin D3 See also calciferol
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

vitamin D


n.
any of the several fat-soluble, antirachitic vitamins D1, D2, D3, occurring in milk and fish-liver oils, esp. cod and halibut: essential for the formation of normal bones and teeth.
[1920–25]

vitamin D1


n.
a form of vitamin D obtained by ultraviolet irradiation of ergosterol.
[1930–35]

vitamin D2


n.
[1930–35]

vitamin D3


n.
a form of vitamin D, C27H43OH, occurring in fish-liver oils, that differs from vitamin D2 by slight structural differences in the molecule. Also called cholecalciferol.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cholecalciferol - a fat-soluble vitamin that prevents ricketscholecalciferol - a fat-soluble vitamin that prevents rickets
ergosterol - a plant sterol that is converted into vitamin D by ultraviolet radiation
fat-soluble vitamin - any vitamin that is soluble in fats
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
The trial included 2,256 community-dwelling women, ages 70 years or older, considered to be at high risk of fracture, who were recruited from June 2003 to June 2005 and were randomly assigned to receive 500,000 IU of cholecalciferol or placebo each autumn to winter for 3 to 5 years.
One is that multivitamins, such as Centrum, use vitamin D2 (ergocalciferol) rather than D3 (cholecalciferol), which is one-third to one-fifth as effective as D3.
The high-dose (50,000 IU) vitamin D supplement that is available by prescription is ergocalciferol, or [D.sub.2], which is less potent than cholecalciferol, or [D.sub.3].
The 122 participants, whose average age was 85, were observed for falls for 6 weeks before receiving supplementation and then followed for 12 weeks after being randomized to receive a daily supplementation of 1,200 mg of calcium alone or 1,200 mg calcium and 800 IU of vitamin D (cholecalciferol).
The form of vitamin D utilized for this study was cholecalciferol (vitamin D3)--the natural form of vitamin D that the body makes in response to sunlight.
This study suggests that cholecalciferol (vitamin [D.sub.3]) is not helpful in preventing falls in men, and any apparent risk reduction would be small even if a larger study was conducted.
Torgerson's study randomly assigned 1,321 women to receive 1,000 mg calcium plus 800 IU cholecalciferol (vitamin D3) daily and a leaflet on calcium intake and prevention of falls, and 1,993 women were given the leaflet only
Baby's Vitamin D3 is offered in the natural form of vitamin D (cholecalciferol) for optimal absorption, and comes in a carrier oil of certified-organic extra virgin olive oil.
Even though many types of vitamin supplements are on the market, little is known about whether the bioavailability of vitamin [D.sub.3] (cholecalciferol) differs when it is sequestered in fat-containing capsules as opposed to solid tablets, noted Ms.
The 122 participants, whose average age was 85, were observed for 6 weeks before receiving supplementation and then followed for 12 weeks after being randomized to receive daily supplementation of 1,200 mg of calcium alone or 1,200 mg calcium and 800 IU of vitamin D (cholecalciferol).
Nordic Naturals only offers products containing cholecalciferol, the natural form of vitamin D that the human body makes from sunlight.