1. the action of bubbling or boiling: technical, archaic"because the bath is now so cold, no further violent ebullition will occur"
▪ a sudden outburst of emotion or violence:technical, archaic"in an ebullition of fervor"
Word Originlate Middle English (denoting a state of agitation of the bodily humors): from late Latin ebullitio(n-), from ebullire ‘boil up’ (see ebullient).