red lead

/'red'led/

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Explanation of "Red Lead"

Definition:
"Red lead" is a noun that refers to a reddish substance made from lead. Its scientific name is lead(II,IV) oxide, and its chemical formula is Pb3O4. It is primarily used as a pigment, which means it's a colorant for paints, as well as in glass and ceramics.

Advanced Usage

In more technical or industrial discussions, "red lead" might be mentioned when talking about safety and environmental concerns, since lead can be toxic if not handled properly.

Word Variants:

• Red Lead Oxide: Another name for red lead, emphasizing its chemical composition.
• Lead Oxide: A broader term that can refer to various types of lead oxides, including red lead.

Different Meanings:

While "red lead" primarily refers to the pigment, the term might also be used in a historical context related to old painting techniques or materials used in construction.

Synonyms:

• Lead(II,IV) oxide: The technical name for red lead.
• Minium: Another term used historically to refer to red lead.

Idioms and Phrasal Verbs:

There aren't specific idioms or phrasal verbs directly related to "red lead." However, idioms about colors, like "seeing red," indicate strong emotions but do not relate to the physical pigment.

Summary:

"Red lead" is a specific type of lead oxide used mainly in paints and ceramics.

Academic

Noun

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

Synonyms

• minium