clonusPronunciation: /ˈkləʊnəs/Definition of clonus noun [mass noun] Medicine muscular spasm involving repeated, often rhythmic, contractions: the patient suffered partial seizures accompanied with clonus in the left armDerivatives clonic adjective Origin: early 19th century: from Greek klonos 'turmoil'clonus in other Oxford dictionaries Definition of clonus in the US English dictionary
