|
|
| at·ten·tion def·i·cit dis·or·der or at·ten·tion def·i·cit hy·per·ac·tiv·i·ty dis·or·der |
noun |
|
| Definition: |
| |
hyperactivity in children: a condition, occurring mainly in children, characterized by hyperactivity, inability to concentrate, and impulsive or inappropriate behavior
|
|