Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.


 (kō′lĭ-kăl-sĭf′ə-rôl′, -rōl′)


(Biochemistry) a compound occurring naturally in fish-liver oils, used to treat rickets. Formula: C27H44O. Also: vitamin D3 See also calciferol

vitamin D

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.

vitamin D1

a form of vitamin D obtained by ultraviolet irradiation of ergosterol.

vitamin D2


vitamin D3

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.
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
References in periodicals archive ?
Another type of rat poison that is even more dangerous to pets is one containing cholecalciferol.
Vitamin D3, or cholecalciferol, is the same kind of D that our cells naturally synthesize when our skin absorbs UVB rays from the sun.
His medications included ferrous gluconate, fish oil plus cholecalciferol, fluticasone inhaler, furosemide, hydrocodone-acetaminophen, metoprolol, pancrelipase, pantoprazole, potassium chloride, senna, simvastatin, and sucralfate.
Nutrient Look for Vitamin A Mixed carotenoids (fat-soluble retinoids can be used under practitioner's guidance) B1 Thiamine HCI B12 Methylcobalamin Vitamin D Cholecalciferol Folate Folate, Metafolin, MTHF Vitamin E Mixed tocopherols, mixed tocotrienols Vitamin K K1 and K2 Calcium Citrate, ascorbate Magnesium Glycinate, taurate, citrate, aspartate Selenium Se-methylselenocysteine, selenomethionine Zinc Citrate, gluconate
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.
Heaney, RP, et al, Human Serum 25-hydroxycholecalciferol response to extended oral dosing with cholecalciferol.
Editor's Note: "Mortality may be decreased by ensuring adequate vitamin D concentrations through supplementation with ergocalciferol or cholecalciferol within 30 days of hospitalization," the authors write.
The drug contains cholecalciferol 500mcg - a type of vitamin D used to combat deficiency in adults and adolescents.
and Lee's Pharmaceutical Holdings Limited jointly announced the agreement for License, Distribution and Supply for marketing of Thorens Cholecalciferol (or vitamin D3) throughout China, Hong Kong, Macau and Taiwan.
Cholecalciferol, also known as vitamin D3, is a main dietary fat-soluble vitamin, and can be used as a health-promoting dietary supplementation.
Assessing adequacy of cholecalciferol supplementation in chicks using plasma cholecalciferol metabolite concentrations as an indicator.
Bischoff-Ferrari HA, Orav EJ, DawsonHughes B Effect of cholecalciferol plus calcium on falling in ambulatory older men and women: a 3-year randomized controlled trial.