¹ Source: wiktionary.com
Medical Definition of Effervescency
1. 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. Origin: Cf. F. Effervescence. Source: Websters Dictionary (01 Mar 1998)