litharge

noun

A yellow lead oxide, PbO, used in storage batteries and glass and as a pigment.

noun

The yellow or reddish protoxid of lead (PbO) partially fused.

noun

Lead monoxide; a yellowish red substance, obtained as an amorphous powder, or crystallized in fine scales, by heating lead moderately in a current of air or by calcining lead nitrate or carbonate. It is used in making flint glass, in glazing earthenware, in making red lead or minium, etc. Called also massicot.

noun

Lead monoxide (PbO) a toxic solid formed from the oxidisation of lead in air, and used as a pigment