Ef'fer-vèsçe', v. i.

(ĕf'fer-vĕs'), v. i. [imp. & p. p. EFFER-VESCED (-vĕst'); p. pr. & vb. n. EFFERVESCING.] [Lat. effervescere, from ex, out of, and fervere, to begin boiling, v. inchoative from fervere, to be boiling hot, 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 feelings that can not be repressed or concealed; as, to effervesce with joy or merriment.