You searched for: “avidity
avidity (s) (noun), avidities (pl)
1. A positive feeling of wanting to push ahead with something.
2. Eagerness; intenseness of desire: "Sam always seems to eat excessively with avidity."
3. Ardent desire, extreme eagerness, greediness.
4. In the field of immunology, the strength of an antigen-antibody binding; a measure of the strength with which an antibody binds to an antigen.
5. Strength of binding, usually of a small molecule with multiple binding sites by a larger one, particularly the binding of a complex antigen by an antibody.
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