litharge
nounA yellow lead oxide, PbO, used in storage batteries and glass and as a pigment.
nounThe yellow or reddish protoxid of lead (PbO) partially fused.
nounLead 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