reactivity

[ ree-ak-tiv-i-tee ]
/ ˌri ækˈtɪv ɪ ti /

noun

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

First recorded in 1885–90; reactive + -ity

OTHER WORDS FROM reactivity

hy·per·re·ac·tiv·i·ty, noun

Words nearby reactivity

reactive component, reactive depression, reactive hyperemia, reactive schizophrenia, reactive thrust, reactivity, reactor, reactor vessel, read, read a lecture, read between the lines

Medical definitions for hyperreactivity

reactivity
[ rē′ăk-tĭv′ĭ-tē ]

n.

The property of reacting.
The process of reacting.