1. belching, expulsion, projection, ejection, forcing out

usage: the forceful expulsion of something from inside; "the belching of smoke from factory chimneys"

2. belch, belching, burp, burping, eructation, reflex, reflex response, reflex action, instinctive reflex, innate reflex, inborn reflex, unconditioned reflex, physiological reaction, expulsion, projection, ejection, forcing out

usage: a reflex that expels gas noisily from the stomach through the mouth


1. burp, bubble, belch, eruct, emit, breathe, pass off

usage: expel gas from the stomach; "In China it is polite to burp at the table"

2. erupt, belch, extravasate, explode, burst

usage: become active and spew forth lava and rocks; "Vesuvius erupts once in a while"

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