[mass noun](Psychiatry)abnormality of movement and behaviour arising from a disturbed mental state (typically schizophrenia). It may involve repetitive or purposeless overactivity, or catalepsy, resistance to passive movement, and negativism (精神病学)紧张症,紧张型精神分裂症 ■(informal)a state of immobility and stupor (非正式)不动,木僵,昏呆
语源
late 19th cent.: from cata- 'badly' + Greek tonos 'tone or tension'