Măs'si-cŏt, n.

noun

n. [Fr. massicot; Eng. masticot is a corruption.] (Chem.) Protoxide of lead, or yellow oxide of lead, which has not been fused. It forms the thin gray pellicle on the surface of melted lead. When melted and allowed to crystallize, it forms litharge. [Written also, incorrectly, masticot.]

☞ Massicot is sometimes used by painters, and also as a drier in the composition of ointments and plasters.