| 释义 |
red lead
red lead L0083900 (lĕd)n. A poisonous bright red powder, Pb3O4, used in paints, glass, pottery, and packing for pipe joints.red lead (lɛd) n (Elements & Compounds) a bright-red poisonous insoluble oxide of lead usually obtained as a powder by heating litharge in air. It is used as a pigment in paints. Formula: Pb3O4. Also called: minium red′ lead′ (lɛd)
n. an orange to red, heavy, water-insoluble, poisonous powder, Pb3O4, used chiefly as a paint pigment, in the manufacture of glass and glazes, and in storage batteries. [1400–50] Thesaurus| Noun | 1. |  red lead - a reddish oxide of lead (Pb3O4) used as a pigment in paints and in glass and ceramicsminiumoxide - any compound of oxygen with another element or a radical |
red lead
red lead, bright red to orange-red powder, also called minium, that is used in the manufacture of storage batteries, lead glass, and red pigments; a paint made with red lead is commonly used to protect iron and steel from rusting. Chemically, red lead is lead tetroxide, Pb3O4, a water-insoluble compound that is prepared by the oxidation of metallic lead or of litharge (lead monoxide); the commercial product sometimes contains litharge as an impurity.Red leadCommonly used as a rust-inhibiting primer on steel, but has been largely superseded by other primers due to the toxicity of lead.red lead[′red ′led] (inorganic chemistry) lead tetroxide red leadA lead compound, lead tetroxide; bright red to orange-red in color; used in corrosion-resistant paints as a rust inhibitor on iron and steel.red lead a bright-red poisonous insoluble oxide of lead usually obtained as a powder by heating litharge in air. It is used as a pigment in paints. Formula: Pb3O4 red lead
Synonyms for red leadnoun a reddish oxide of lead (Pb3O4) used as a pigment in paints and in glass and ceramicsSynonymsRelated Words |