avidity

[uh-vid-i-tee] /əˈvɪd ɪ ti/
noun
1.
eagerness; greediness.
2.
enthusiasm or dedication.
Origin
1400-50; late Middle English avidite < Middle French < Latin aviditās. See avid, -ity
Examples from the web for avidity
  • Rai's avidity leads him into drug dealing, an activity he conceals from his friends.
  • Researchers have traced this avidity to the hamster's natural habits.
  • Indeed, their growing avidity for simulated designer wares has made fashion the chief beneficiary of virtual boom times.
  • Working with soft pencils, he drew the outdoor world with an almost shocking avidity.
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
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).