ETYM French ébullition, Latin ebullitio, from ebullire. Related to Ebullient.
Boiling over; agitation; outbreak.
1. A boiling or bubbling up of a liquid; the motion produced in a liquid by its rapid conversion into vapor.
2. Effervescence occasioned by fermentation or by any other process which causes the liberation of a gas, as in the mixture of an acid with a carbonated alkali.
3. A sudden burst or violent display; an outburst.