megaesophagus

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noun

A condition where peristalsis fails to occur properly and the esophagus is enlarged.

Scrabble 22
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Meanings

nounmegaesophagus (uncountable)
  1. uncountableA condition where peristalsis fails to occur properly and the esophagus is enlarged.

    After making a diagnosis of esophagitis and megaesophagus probably associated with gastroesophageal reflux disease (GERD) due to vomiting/gastritis, a percutaneous endoscopic gastrostomy (PEG) tube was inserted.

    2015 July 30, Matteo Cerquetella et al., “Blue-green endoscopy in a dog presenting chronic vomiting-regurgitation”, in Irish Veterinary Journal, volume 68, →DOI

Origin

From mega- + esophagus.

Full word history & related roots →
Cite this entry
APA

megaesophagus. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/megaesophagus

MLA

“megaesophagus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/megaesophagus. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “megaesophagus,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/megaesophagus.

Source: megaesophagus on Wiktionary, CC BY-SA 4.0.