reactivity

[ ree-ak-tiv-i-tee ]
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noun
  1. the quality or condition of being reactive.

  2. Chemistry. the relative capacity of an atom, molecule, or radical to undergo a chemical reaction with another atom, molecule, or compound.

  1. Physics. a measure of the deviation from the condition at which a nuclear reactor is critical.

  2. Immunology. the ability of an antigen to combine with an antibody.

Origin of reactivity

1
First recorded in 1885–90; reactive + -ity

Other words from reactivity

  • hy·per·re·ac·tiv·i·ty, noun

Words Nearby reactivity

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

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