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avidity

[uh-vid-i-tee] /əˈvɪd ɪ ti/
noun
1.
eagerness; greediness.
2.
enthusiasm or dedication.
Origin of avidity
late Middle English
1400-1450
1400-50; late Middle English avidite < Middle French < Latin aviditās. See avid, -ity
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for avidity

avidity

/əˈvɪdɪtɪ/
noun
1.
the quality or state of being avid
2.
  1. eagerness
  2. greed; avarice
3.
(chem)
  1. the strength of an acid or base in proportion to its degree of dissociation
  2. another term for affinity (sense 6b)
4.
(immunol) a measure of antigen-to-antibody binding, based on the rate of formation of the complex
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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Word Origin and History for avidity
n.

mid-15c., "eagerness, zeal," from Old French avidite "avidity, greed," from Latin aviditatem (nominative aviditas) "eagerness, avidity," noun of quality from avidus (see avid).

Online Etymology Dictionary, © 2010 Douglas Harper
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14
14
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