Effervescing
131ebullition — (Roget s IV) n. 1. [Bubbling up] Syn. effervescence, seething, decoction, boiling, effervescing, fermentation, ebullience; see also fermentation . 2. [A sudden display, as of emotion] Syn. outburst, overflowing, effusion; see outbreak 1 …
132effervesce — 1702, from L. effervescere (see EFFERVESCENCE (Cf. effervescence)). Related: Effervesced; effervescing …