antirachitic factor
1McCollum , Elmer Verner — (1879–1967) American biochemist Born in Fort Scott, Kansas, McCollum was educated at the University of Kansas and at Yale, where he obtained his PhD in 1906. He taught at the University of Wisconsin from 1907 until 1917, when he was appointed to… …
2vitamin — One of a group of organic substances, present in minute amounts in natural foodstuffs, that are essential to normal metabolism; insufficient amounts in the diet may cause deficiency diseases. [L. vita, life, + amine] v. A 1. any β …
3Vitamin — This article is about the set of organic compounds. For the nutritional supplement preparation, see multivitamin. For the manga, see Vitamin (manga) …
4unit — 1. One; a single person or thing. 2. A standard of measure, weight, or any other quality, by multiplications or fractions of which a scale or system is formed. 3. A group of persons or things considered as a whole because of mutual activities or… …
