Definition of reactivity in English:

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Pronunciation: /rɪˈakˈtɪvɪti/


[mass noun]
1The quality of being reactive or the degree to which something is reactive: the chemical and biological reactivity of non-target organisms [in combination]: cross-reactivity between the hormones of human and bovine origin
More example sentences
  • Acid reflux has been associated with bronchospasm, heightened bronchial reactivity, and airway edema.
  • In another asthma model, airway reactivity and lung inflammation were enhanced in the lung.
  • Basically, it's a lot of airway reactivity and a lot of inflammation.
1.1The extent to which a nuclear reactor deviates from a steady state: simulations predict that high rates of reactivity addition to the core could occur
More example sentences
  • The spectrum of nuclear reactivity, including intensity and extent, was graded for all categories as shown in Tables 2 and 3.
  • The temperature changes in turn modify the reactivity through different nuclear physics processes, which has a well defined influence on the number of neutrons ready to induce fission.
  • Because of the instability, an RBMK reactor that loses its coolant can under certain circumstances increase in reactivity and run progressively faster and hotter rather than shut itself down.

For editors and proofreaders

Line breaks: re|activ|ity

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