hyperactivity

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hyperactivity

hyperactivity excessive physical activity of emotional or physiological origin, usually seen in young children; one of the components of attention deficit hyperactivity disorder .

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hyperactive

The Oxford Pocket Dictionary of Current English | 2009 | © The Oxford Pocket Dictionary of Current English 2009, originally published by Oxford University Press 2009. (Hide copyright information) Copyright

hy·per·ac·tive / ˌhīpərˈaktiv/ • adj. abnormally or extremely active: a hyperactive pituitary gland. ∎ (of a child) showing constantly active and sometimes disruptive behavior. DERIVATIVES: hy·per·ac·tiv·i·ty / -ˌakˈtivitē/ n.

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