[led] 
| an orange to red, heavy, earthy, water-insoluble, poisonous powder, Pb3O4, obtained by heating litharge in the presence of air: used chiefly as a paint pigment, in the manufacture of glass and glazes, and in storage batteries. |
| red lead (lěd) n. A poisonous bright red powder, Pb3O4, used in paints, glass, pottery, and packing for pipe joints. |
