noun Biochemistry.
any of a group of water-soluble yellow compounds, present in citrus fruits, rose hips, and other plants, that in mammals maintain the resistance of capillary walls to permeation and change of pressure.
Also called citrin, flavonoid, vitamin P.

1950–55; bio- + flavonoid any derivative of flavone (flavon(e) + -oid) Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
bioflavonoid (ˌbaɪəʊˈfleɪvəˌnɔɪd)
another name for vitamin P

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Science Dictionary
bioflavonoid   (bī'ō-flā'və-noid')  Pronunciation Key 
See flavonoid.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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