massicot

Mas"si*cot, n. Etym: [F. massicot; E. masticot is a corruption.] (Chem.) Defn: Lead protoxide, PbO, obtained as a yellow amorphous powder, the fused and crystalline form of which is called litharge; lead ocher. It is used as a pigment. Note: Massicot is sometimes used by painters, and also as a drier in the composition of ointments and plasters.

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