Arrhythmia Definition

ə-rĭthmē-ə
arrhythmias
noun
arrhythmias
Irregularity in the force or rhythm of the heartbeat.
American Heritage
Any irregularity in the rhythm of the heart's beating.
Webster's New World
An irregularity in the force or rhythm of the heartbeat.
A fatal arrhythmia.
American Heritage Medicine
A condition characterized by such irregularities.
Treatments for cardiac arrhythmia.
American Heritage Medicine

An irregular heartbeat.

Wiktionary
Synonyms:
  • cardiac arrhythmia

Other Word Forms of Arrhythmia

Noun

Singular:
arrhythmia
Plural:
arrhythmias

Origin of Arrhythmia

  • New Latin from Greek arruthmiā lack of rhythm from arruthmos unrhythmical a- without a–1 rhuthmos rhythm rhythm

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Ancient Greek ἄρρυθμος (arruthmos), via New Latin arrythmia.

    From Wiktionary

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