EFFERVES'CENCE, noun A kind ofnatural ebullition; that commotion of a fluid, which takes place, when some part of the mass flies off in an elastic form, producing innumerable small bubbles; as the effervescence or working of new wine, cider or beer; the effervescence of a carbonate with nitric acid.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI