Plasmon butter | n. [ Cf. Plasma. ] A flourlike food preparation made from skim milk, and consisting essentially of the unaltered proteid of milk. It is also used in making biscuits and crackers, for mixing with cocoa, etc. A mixture of this with butter, water, and salt is called and resembles clotted cream in appearance. [ Webster 1913 Suppl. ] Variants: Plasmon |