Ebullition

Suddenly, and at the same moment, the ebullition ceased, and the compound changed to a dark purple, which faded again more slowly to a watery green.

His threats—his severe exclamations were but ebullitions of keen vexation, of agony of mind.

Having vented the first ebullition of his wrath, he despatched a message demanding the surrender of the corporal […].

I don't think poor Amelia cared anything about Brienne and Montmirail, or was fairly interested in the war until the abdication of the Emperor; when she clapped her hands and said prayers—oh, how grateful! and flung herself into George Osborne's arms with all her soul, to the astonishment of everybody who witnessed that ebullition of sentiment.

...it is apparent to me that these little ebullitions, or whatever they may be called, of the black guillemots are of a blended nature...

This villa was long and low and white, and severe after its manner : for upon and about it were none of those playful ebullitions of taste, such as conical towers, domed roofs, embattlements, statues, coloured tiles and crenellations, such as are dear to architects of villas all the world over.

To foreigners we often seem guileless and overchatty, an impression which is dispersed when they find that much of our friendliness is just the ebullition of the moment and does not carry with it any permanence of devotion.