EFFERVESCE
Ef`fer*vesce", v. i. [imp. & p. p. Effervesced; p. pr. & vb. n.
Effervescing.] Etym: [L. effervescere; ex + fervescere to begin
boiling, incho., fr. fervere to boil. See Fervent.]

1. To be in a state of natural ebullition; to bubble and hiss, as fermenting liquors, or any fluid, when some part escapes in a gaseous form.

2. To exhibit, in lively natural expression, feelings that can not be repressed or concealed; as, to effervesce with joy or merriment.

EFFERVESCENCE; EFFERVESCENCY
Ef`fer*ves"cence, Ef`fer*ves"cen*cy, n. Etym: [Cf. F. effervescence.]

Defn: A kind of natural ebullition; that commotion of a fluid which takes place when some part of the mass flies off in a gaseous form, producing innumerable small bubbles; as, the effervescence of a carbonate with citric acid.

EFFERVESCENT Ef`fer*ves"cent, a. Etym: [L. effervescences, p. pr. of effervescere: cf. F. effervescent.]

Defn: Gently boiling or bubbling, by means of the disengagement of gas

EFFERVESCIBLE
Ef`fer*ves"ci*ble, a.

Defn: Capable of effervescing.

EFFERVESCIVE
Ef`fer*ves"cive, a.