DYSRHYTHMIA Meaning of DYSRHYTHMIA in English [ dɪs'rɪδmɪə ]■ noun Medicine abnormality in a physiological rhythm, especially of the brain or heart.Derivativesdysrhythmic adjectivedysrhythmical adjective Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004