American Heritage® Dictionary of the English Language, Fourth Edition
- n. See
- n. Constituent of vitamin D2.
GNU Webster's 1913
- n. one of the forms of vitamin d, a fat-soluble vitamin that prevents rickets. It is an unsaturated alcohol, C28H43OH found in foods such as milk and fish liver oils. It is used as a dietary supplement in milk.
- n. a fat-soluble vitamin that prevents rickets
- calcifer(ous) + -ol1. (American Heritage® Dictionary of the English Language, Fourth Edition)
“Exposure to UVB radiation from the sun causes a chemical reaction in skin cells that converts a form of cholesterol to a form of vitamin D called calciferol …”
“The vitamin was also called "calciferol," since it was found to boost calcium deposits in bone.”
“D (calciferol) helps teeth and bones stay healthy.”
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