activity plural
ac·tiv·i·ty
The plural form of activity is activities
A aDefinitions
- noun plural activity The activities of a group are the things that they do in order to achieve their aims. 3
- noun plural activity 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. 1
- noun plural activity a specific deed, action, function, or sphere of action: social activities. 1
- noun plural activity work, especially in elementary grades at school, that involves direct experience by the student rather than textbook study. 1
- noun plural activity energetic activity; animation; liveliness. 1
- noun plural activity a use of energy or force; an active movement or operation. 1
- noun plural activity normal mental or bodily power, function, or process. 1
- noun plural activity Physical Chemistry. the capacity of a substance to react, corrected for the loss of reactivity due to the interaction of its constituents. 1
- noun plural activity Physics. the number of atoms of a radioactive substance that disintegrate per unit of time, usually expressed in curies. radioactivity. 1
- noun plural activity an organizational unit or the function it performs. 1