despumate

Des"pu*mate, v. t. & i. [imp. & p. p. Despumated; p. pr. & vb. n. Despumating.] Etym: [L. despumatus, p. p. of despumare to despume; de- + spumare to foam, froth, spuma froth, scum.] Defn: To throw off impurities in spume; to work off in foam or scum; to foam.

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