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aviate
aviation
aviation medicine
aviator
aviator glasses
aviatrix
aviculture
avid
avidin
avidity
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avidin
av·i·din [ ávvədin ]


noun 
Definition:
 
protein found in egg white: a protein found in egg white that inactivates the vitamin biotin
[Mid-20th century. <avid, because of its "avidity" for biotin]
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