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1. Oxford American Dictionary

   reactivity

   • IPA[ˌrēakˈtivədē]

   美式

   • n.
     the state or power of being reactive or the degree to which a thing is reactive；the extent to which a nuclear reactor deviates from a steady state

   • noun: reactivity

2. • 釋義

   n.

   名詞

   • 1. the state or power of being reactive or the degree to which a thing is reactive the chemical and biological reactivity of nontarget organisms cross-reactivity between the hormones of human and bovine origin
   • ▪ the extent to which a nuclear reactor deviates from a steady state simulations predict that high rates of reactivity addition to the core could occur