Definition of hyperkinesis in English:

hyperkinesis

Syllabification: hy·per·ki·ne·sis
Pronunciation: /ˌhīpərkiˈnēsis
 
/
(also hyperkinesia /-ˈnēZHə/)

noun

  • 1 Medicine Muscle spasm.
    More example sentences
    • Of the remainder, just under one in five had confirmed hyperkinesis.
    • Symptoms but not impact fell significantly in children with hyperkinesis.
    • The hyperkinesia is usually confined to one side of the body contralateral to a lesion in the subthalamic nucleus.
  • 2 Psychiatry A disorder of children marked by hyperactivity and inability to concentrate.
    More example sentences
    • Childhood psychopathology is often persistent, particularly among children with conduct disorder and hyperkinesis.
    • Dystonia, parkinsonism, and hyperkinesia all occur in elderly, untreated people.
    • Behavioral problems such as hyperkinesis and aggressiveness have been associated with LKS.

Origin

mid 19th century: from hyper- 'above normal' + Greek kinēsis 'motion'.

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used to address an English nobleman