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hyperactivity

[hahy-per-ak-tiv-i-tee] /ˌhaɪ pər ækˈtɪv ɪ ti/
noun
1.
the condition of being hyperactive.
Origin
1885-1890
1885-90; hyperactive + -ity
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for hyper activity

hyperactivity

n.

1852, from hyper- + activity.

Online Etymology Dictionary, © 2010 Douglas Harper
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hyper activity in Medicine

hyperactivity hy·per·ac·tiv·i·ty (hī'pər-āk-tĭv'ĭ-tē)
n.
A general restlessness or excess of movement, as that in children with minimal brain dysfunction or hyperkinesis.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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hyper activity in Science
hyperactivity
  (hī'pər-āk-tĭv'ĭ-tē)   
An abnormally high level of activity or excitement shown by a person, especially a child, that interferes with the ability to concentrate or interact with others.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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