[ ˌhʌɪpəkɪ'ni:sɪs , -kʌɪ- ]
(also hyperkinesia )
■ noun
1》 Medicine muscle spasm.
2》 Psychiatry a disorder of children marked by hyperactivity and inability to concentrate.
Derivatives
hyperkinetic adjective
Origin
C19: from hyper- + Gk kinēsis 'motion'.