dystoniaPronunciation: /dɪsˈtəʊnɪə/Definition of dystonia noun [mass noun] Medicine a state of abnormal muscle tone resulting in muscular spasm and abnormal posture, typically due to neurological disease or a side effect of drug therapy. Derivatives dystonicPronunciation: /-ˈtɒnɪk/ adjective dystonia in other Oxford dictionaries Definition of dystonia in the US English dictionary
