- the quality or condition of being reactive.
- Chemistry. the relative capacity of an atom, molecule, or radical to undergo a chemical reaction with another atom, molecule, or compound.
- Physics. a measure of the deviation from the condition at which a nuclear reactor is critical.
- Immunology. the ability of an antigen to combine with an antibody.
Origin of reactivity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for reactivity
That reactivity paradoxically is what makes its sudden coming and going mysterious.Methane on Mars: Life or Just Gas?
Matthew R. Francis
December 17, 2014
That it modifies the functions or reactivity of the ultimate constituent groups we have seen from the study of the esters.Researches on Cellulose
C. F. Cross
The effects of formolization on the antigenicity and reactivity of proteins are discussed later.
More than two series, however, resulted in little or no improvement of the reactivity of the antiserum.
Graphs of precipitin reactions illustrating effects of formalin on antigenicity and reactivity of the extracts.
- The property of reacting.
- The process of reacting.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.