red lead - meaning and definition. What is red lead
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What (who) is red lead - definition

CHEMICAL COMPOUND
Red Lead; Red-lead; Red lead; Pb3O4; Lead tetraoxide; Read lad; Lead orthoplumbate; Lead oxide red; Trilead tetroxide; Trilead tetraoxide; Lead tetroxide; Triplumbic tetroxide
  • Minium from a mine fire at [[Broken Hill]], [[Australia]]

red-lead         
n.
Minium.
red lead         
¦ noun red lead oxide used as a pigment.
Minium (mineral)         
NATURALLY OCCURRING MINERAL FORM OF LEAD TETROXIDE
Minium is the naturally occurring form of lead tetroxide, Pb2+2Pb4+O4 also known as red lead. Minium is a light-to-vivid red and may have brown-to-yellow tints.

Wikipedia

Lead(II,IV) oxide

Lead(II,IV) oxide, also called red lead or minium, is the inorganic compound with the formula Pb 3 O 4 {\displaystyle {\ce {Pb3O4}}} . A bright red or orange solid, it is used as pigment, in the manufacture of batteries, and rustproof primer paints. It is an example of a mixed valence compound, being composed of both Pb(II) and Pb(IV) in the ratio of two to one.