Definition of Aerophagia

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Aerophagia: Swallowing too much air, a common cause of gas in the stomach and belching. Everyone swallows small amounts of air when eating or drinking. However, rapid eating or drinking, chewing gum, smoking, or ill-fitting dentures may cause a significant increase in swallowed air.

The word "phage" in Greek means "to eat." Aerophagia is literally to eat air.