hyperkinesia in British English
(ˌhaɪpəkɪˈniːzɪə, -kaɪ-) or hyperkinesis (ˌhaɪpəkɪˈniːsɪs, -kaɪ-)
noun pathology1. 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