Source : Webster's Revised Unabridged Dictionary (1913)

Ebullition \Eb`ul*li"tion\, n. [F. ['e]bullition, L. ebullitio,
   fr. ebullire. See {Ebullient}.]
   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 or an
      a["e]riform fluid, as in the mixture of an acid with a
      carbonated alkali. [Formerly written {bullition}.]

   3. A sudden burst or violent display; an outburst; as, an
      ebullition of anger or ill temper.

Source : WordNet®

ebullition
     n : an unrestrained expression of emotion [syn: {effusion}, {gush},
          {outburst}, {blowup}]