The act or process of removing foam or froth from a liquid; skimming scum from the surface.
From despumate with the suffix -tion (state or process of). The -tion suffix creates nouns describing actions or conditions from verb roots.
Early pharmacists recorded detailed despumation procedures in their recipes, treating the skimming of foam as a crucial step—when you had no microscopes, visible cleanliness was the best proof your medicine was being properly made.
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