Dictionary
ef•fer•vesce
Pronunciation: (ef"ur-ves'), [key]—
v.i., -vesced, -vesc•ing.
1. to give off bubbles of gas, as fermenting liquors.
2. to issue forth in bubbles.
3. to show enthusiasm, excitement, liveliness, etc.:
The parents effervesced with pride over their new baby. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.