despumate

As a verb despumate is

to throw off impurities in spume; to work off in foam or scum; to foam.

As a noun terms

is .

As a verb despumate is

to throw off impurities in spume; to work off in foam or scum; to foam.

As verbs the difference between despumate and despumated

is that despumate is to throw off impurities in spume; to work off in foam or scum; to foam while despumated is past tense of despumate.

As verbs the difference between scum and despumate

is that scum is to remove the layer of scum from (a liquid etc.) while despumate is to throw off impurities in spume; to work off in foam or scum; to foam.

As a noun scum

is a layer of impurities that accumulates at the surface of a liquid (especially molten metal or water).

As verbs the difference between foam and despumate

is that foam is to form or emit foam while despumate is to throw off impurities in spume; to work off in foam or scum; to foam.

As a noun foam

is a substance composed of a large collection of bubbles or their solidified remains.

As verbs the difference between spume and despumate

is that spume is to froth while despumate is to throw off impurities in spume; to work off in foam or scum; to foam.

As a noun spume

is foam or froth of liquid, particularly that of sea water.