[ar.rhyth.mia] n [NL, fr. Gk, lack of rhythm, fr. arrhythmos unrhythmical, fr. a- + rhythmos rhythm] (ca. 1860): an alteration in rhythm of the heartbeat either in time or force
ARRHYTHMIA
Meaning of ARRHYTHMIA in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012