Synonyms: belch, belching, eructation, burp, burping
Definition: a reflex that expels gas noisily from the stomach through the mouth
Similar words: ejection, projection, expulsion, forcing out
Definition: the act of expelling or projecting or ejecting
Similar words: unconditioned reflex, inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response
Definition: an automatic instinctive unlearned reaction to a stimulus
Synonyms: extravasation, eructation, eruption
Definition: (of volcanos) pouring out fumes or lava (or a deposit so formed)
Similar words: action, activeness, activity
Definition: the state of being active
Usage: his sphere of activity; he is out of action