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arrhythmia
noun
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How to pronounce arrhythmia:

Definition of arrhythmia:

arrhythmia (noun):
an abnormal rate of muscle contractions in the heart.
an alteration in rhythm of the heartbeat either in time or force

Synonyms for arrhythmia:

fluttertachycardiabradycardia

Other 4-syllable words like arrhythmia

Here are some other common words that have 4 syllables, like arrhythmia does.

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