hyperactivity: Meaning and Definition of

hy•per•ac•tiv•i•ty

Pronunciation: (hī"pur-ak-tiv'i-tē), [key]
— n.
  1. the condition of being hyperactive.
  2. hyperkinesia.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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