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English definition of “activity”

activity

noun [C/U]    /ækˈtɪv·ɪ·t̬i/
the doing of something, or something that you are doing, have done, or could do: [C] There were lots of activities for children at the museum. [C] Her favorite activity is visiting antique shops. [U] Carbon dioxide is also produced by human activity.
(Definition of activity noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
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