reactivity

[ ree-ak-tiv-i-tee ]
/ ˌri ækˈtɪv ɪ ti /
SEE SYNONYMS FOR reactivity ON THESAURUS.COM

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.

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

Words related to reactivity

nervousness, subtlety, sympathy, sense, feeling, awareness, susceptibility, consciousness, delicacy, sensation, acuteness, receptiveness, sensitiveness, sensibility, impressionability, reactiveness

Example sentences from the Web for reactivity

Medical definitions for reactivity

reactivity
[ rē′ăk-tĭv′ĭ-tē ]

n.

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.