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hyperkinesia

[hahy-per-ki-nee-zhuh, -zhee-uh, -zee-uh, -kahy-] /ˌhaɪ pər kɪˈni ʒə, -ʒi ə, -zi ə, -kaɪ-/
noun
1.
Pathology. an abnormal amount of uncontrolled muscular action; spasm.
2.
Psychiatry. a disorder occurring in children and adolescents, characterized by excessive activity, extreme restlessness, impulsivity, and a short attention span.
Also, hyperkinesis
[hahy-per-ki-nee-sis, -kahy-] /ˌhaɪ pər kɪˈni sɪs, -kaɪ-/ (Show IPA)
.
Origin of hyperkinesia
1840-1850
First recorded in 1840-50; hyper- + -kinesia
Related forms
hyperkinetic
[hahy-per-ki-net-ik, -kahy-] /ˌhaɪ pər kɪˈnɛt ɪk, -kaɪ-/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for hyperkinetic

hyperkinesia

/ˌhaɪpəkɪˈniːzɪə; -kaɪ-/
noun (pathol)
1.
excessive movement, as in a muscle spasm
2.
extreme overactivity in children
Derived Forms
hyperkinetic (ˌhaɪpəkɪˈnɛtɪk; -kaɪ-) adjective
Word Origin
C20: from hyper- + -kinesia from Greek kinēsis movement, from kinein to move
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for hyperkinetic
adj.

1880, from hyper- + kinetic. Perhaps immediately from French hyperkinetic (1874). Related: Hyperkinesis.

Online Etymology Dictionary, © 2010 Douglas Harper
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hyperkinetic in Medicine

hyperkinesia hy·per·ki·ne·sia (hī'pər-kə-nē'zhə, -kī-) or hy·per·ki·ne·sis (-sĭs)
n.
Pathologically increased muscular movement.


hy'per·ki·net'ic (-nět'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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