avidity

noun avid·ity \ ə-ˈvi-də-tē , a- \

Definition of avidity

plural avidities
1 :the quality or state of being avid:
a :keen eagerness
b :consuming greed
2 :affinity 2b(2)

Examples of avidity in a Sentence

  1. an advanced case of avidity that led to shoplifting at the tender age of 13

  2. in her avidity to express her opinions, she frequently and unthinkingly interrupts people

Recent Examples of avidity from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'avidity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of avidity

15th century


Medical Dictionary

avidity

noun avid·ity \ ə-ˈvi-də-tē, a- also ā- \

medical Definition of avidity

:a characteristic of antibodies (such as antitoxins) that tends to enhance their rate or stability in binding with an antigen
  • Antibody avidity is an average measure of the affinity of the antibodies for a particular antigen in a serum sample.
  • —Dominic F. KellyThe New England Journal of Medicine21 Dec. 2005


Seen and Heard

What made you want to look up avidity? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

marked by intense feeling

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!