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intr.v. ef·fer·vesced, ef·fer·vesc·ing, ef·fer·vesc·es 1. To emit small bubbles of gas, as a carbonated or fermenting liquid. 2. To escape from a liquid as bubbles; bubble up. 3. To show high spirits or animation. [Latin effervēscere : ex-, up, out; see EX- + fervēscere, to start boiling, inchoative of fervēre, to boil; see bhreu- in the Appendix of Indo-European roots.] ef′fer·vescence, ef′fer·vescen·cy n. ef′fer·vescent adj. ef′fer·vescent·ly adv. |
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