Try Our Apps


Avoid these words. Seriously.


[av-i-din, uh-vid-in] /ˈæv ɪ dɪn, əˈvɪd ɪn/
noun, Biochemistry.
a protein, found in the white of egg, that combines with and prevents the action of biotin, thus injuring the animal that consumes it in excess by producing biotin deficiency.
Origin of avidin
1940-45; avid + (biot)in; so named from its affinity for biotin Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source
British Dictionary definitions for avidin


/ˈævɪdɪn; əˈvɪdɪn/
a protein, found in egg-white, that combines with biotin to form a stable compound that cannot be absorbed, leading to a biotin deficiency in the consumer
Word Origin
C20: from avid + (bio)in; from its characteristic avidity for biotin
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
Cite This Source
avidin in Medicine

avidin av·i·din (āv'ĭ-dĭn)
A protein, found in uncooked egg white, that binds to and inactivates biotin and which, when present in abundance, can result in a deficiency of biotin.

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

Word of the Day

Nearby words for avidin

Word Value for avidin

Scrabble Words With Friends