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Noun: eructation  i,rúk'tey-shun
Usage: formal
  1. (of volcanoes) pouring out fumes or lava (or a deposit so formed)
    - eruption, extravasation
  2. A reflex that expels gas noisily from the stomach through the mouth
    - belch, belching, burp [informal], burping [informal]

Derived forms: eructations

Type of: action, activeness, activity, ejection, expulsion, forcing out, inborn reflex, innate reflex, instinctive reflex, physiological reaction, projection, reflex, reflex action, reflex response, unconditioned reflex

Encyclopedia: Eructation