[{"Bold_text": "noun", "List Items": ["the state or quality of being active:There was not much activity in the stock market today. He doesn't have enough physical activity in his life.", "a specific deed, action, function, or sphere of action:social activities.", "work, especially in elementary grades at school, that involves direct experience by the student rather than textbook study.", "energetic activity; animation; liveliness.", "a use of energy or force; an active movement or operation.", "normal mental or bodily power, function, or process.", "Physical Chemistry.the capacity of a substance to react, corrected for the loss of reactivity due to the interaction of its constituents.", "Physics.the number of atoms of a radioactive substance that disintegrate per unit of time, usually expressed in curies. radioactivity .", "the number of atoms of a radioactive substance that disintegrate per unit of time, usually expressed in curies.", "radioactivity .", "an organizational unit or the function it performs."]}]