Definition of "calciferol" []

• See vitamin D2. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "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."