The Collaborative International Dictionary
bullition
Ebullition \Eb`ul*li"tion\, n. [F. ['e]bullition, L. ebullitio, fr. ebullire. See Ebullient.]
A boiling or bubbling up of a liquid; the motion produced in a liquid by its rapid conversion into vapor.
Effervescence occasioned by fermentation or by any other process which causes the liberation of a gas or an a["e]riform fluid, as in the mixture of an acid with a carbonated alkali. [Formerly written bullition.]
A sudden burst or violent display; an outburst; as, an ebullition of anger or ill temper.
Wiktionary
bullition
n. (context obsolete English) The action of boiling.