reactivity

[ ree-ak-tiv-i-tee ]

/ ˌri ækˈtɪv ɪ ti /

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.

Words nearby reactivity

First recorded in 1885–90; reactive + -ity

hy·per·re·ac·tiv·i·ty, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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|DAILY BEAST
The effects of formolization on the antigenicity and reactivity of proteins are discussed later.
Myology and Serology of the Avian Family Fringillidae|William B. Stallcup
More than two series, however, resulted in little or no improvement of the reactivity of the antiserum.
Myology and Serology of the Avian Family Fringillidae|William B. Stallcup
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

Graphs of precipitin reactions illustrating effects of formalin on antigenicity and reactivity of the extracts.
Myology and Serology of the Avian Family Fringillidae|William B. Stallcup

reactivity

[ rē′ăk-tĭv′ĭ-tē ]

The property of reacting.

The process of reacting.