eructation

1. (of volcanos) pouring out fumes or lava (or a deposit so formed) (synset 114032052)
   referred to in: vent, volcano - a fissure in the earth's crust (or in the surface of some other planet) through which molten lava and gases erupt
   is a type of: action, activeness, activity - the state of being active
   same as: eruption, extravasation
2. A reflex that expels gas noisily from the stomach through the mouth (synset 100118398)
   is a type of:

   • ejection, expulsion, forcing out, projection - the act of expelling or projecting or ejecting
   • inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response, unconditioned reflex - an automatic instinctive unlearned reaction to a stimulus
   same as: belch, belching, burp, burping

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