Red lead Meaning, Definition & Usage

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

WordNet

Definitions
  1. . (Chem) See under Lead, and Minium.
Definitions
  1. a scarlet, crystalline, granular powder, consisting of minium when pure, but commonly containing several of the oxides of lead. It is used as a paint or cement and also as an ingredient of flint glass.

Webster 1913