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noun. ['ˌriːˌækˈtɪvəti'] responsive to stimulation.
Rhymes with Reactivity
Sentences with reactivity
1. Noun, singular or mass
Fluorine gas has high reactivity and potential for explosion and is used in the making of atomic bombs.
noun. ['ˌriːˌækˈtɪvəti'] ready susceptibility to chemical change.