D defs.my
Entry 1 sense Webster, 1913

Effervescence

· Ef·fer·ves·cence · IPA /ˌɛfə(ɹ)ˈvɛsəns/
01 n. 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…
  1. 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.