red lead
Noun
Meaning
a reddish oxide of lead (Pb3O4) used as a pigment in paints and in glass and ceramics
Source: WordNetSynonyms
Hypernyms
Examples
Colour was sometimes added by hand, using a red lead ink in tan-e prints, or later in a pink safflower ink in beni-e prints.
The bridge was originally painted with red lead primer and a lead-based topcoat, which was touched up as required.