Spumescent (adj)
spoo-mes-ent
foamy; foamlike; frothy.
Spumescent was first recorded in 1855–60 and comes from the word spume, which means “to froth” or which can refer to the foam or froth itself. Spume comes from the Latin word spūma, meaning “foam, froth.”
Example sentences
“The barista created a spumescent layer of milk on the top of the cup.”