minium

Red lead.

Red oxid of lead, Pb₃O₄, produced by maintaining the protoxid (litharge) at a low-red heat for some time in presence of air. It is a bright-orange granular powder, used as a pigment and in the manufacture of flint-glass. See vermilion

A heavy, brilliant red pigment, consisting of an oxide of lead, Pb3O4, obtained by exposing lead or massicot to a gentle and continued heat in the air. It is used as a cement, as a paint, and in the manufacture of flint glass. Called also red lead, lead tetroxide, lead orthoplumbate, mineral orange, mineral red, Paris red, Saturn red, and less definitively, lead oxide.

a reddish oxide of lead (Pb3O4) used as a pigment in paints and in glass and ceramics