From Latin spumescens, p.pr. of spumescere (“to grow foamy”).
spumescent (comparative more spumescent, superlative most spumescent)
- (rare) Resembling froth or foam; foaming.
1957, Clayton, John Bell, The Strangers Were There: Selected Stories, Macmillan, page 79:
The snowfall had changed again, the flakes larger now and less insistent; they had a buoyant and spumescent quality.
1993, Thesen, Hjalmar, The Way Back: A Novel, →ISBN, page 146:
His eyes burned black with the intensity of their gaze over the hidden ravine below; over the thin, white waterfall, spumescent, blown into mist.
2008, Hamilton, Peter F., The Reality Dysfunction, →ISBN:
Then she screamed as a jet of spumescent gore slopped across the front of the paralysed fabric.