Mas"si*cot (?), n. [F. massicot; E. masticot is a corruption.] Chem.

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.

<-- now pref. Lead monoxide; also, lead oxide yellow, as opposed to red lead, which is lead tetroxide Pb3O4 -->

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

 

© Webster 1913.

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