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provitamin

[proh-vahy-tuh-min; British also proh-vit-uh-min] /proʊˈvaɪ tə mɪn; British also proʊˈvɪt ə mɪn/
noun, Biochemistry.
1.
a substance that an organism can transform into a vitamin, as carotene, which is converted to vitamin A in the liver.
Origin of provitamin
1925-1930
First recorded in 1925-30; pro-1 + vitamin
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for provitamin

provitamin

/prəʊˈvɪtəmɪn/
noun
1.
a substance, such as carotene, that is converted into a vitamin in animal tissues
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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provitamin in Medicine

provitamin pro·vi·ta·min (prō-vī'tə-mĭn)
n.
A vitamin precursor that is converted to its active form through normal metabolic processes.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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