[See next and -ENCE.] Frothiness; the state of being foamy. Also fig.
1796. Kirwan, Elem. Min. (ed. 2), I. 208. Before the blow-pipe it melts with a moderate spumescence into a white semitransparent enamel.
1903. E. Newman, in Speaker, 7 Feb., 459/2. Unfortunately his [Vernon Blackburn’s] prose style always tends to spumescence.
