lead monoxide

[ led ]

Phonetic (Standard)IPA

noun

, Chemistry.

lead monoxide

/ lɛd /

a poisonous insoluble oxide of lead existing in red and yellow forms: used in making glass, glazes, and cements, and as a pigment. Formula: PbO Systematic namelead(II) oxide Also calledlithargeplumbous oxide

First recorded in 1905–10

It reduces many metallic oxides, such as lead monoxide and cupric oxide, and decomposes water at a red heat.

Lead monoxide is dimorphous, occurring as cubical dodecahedra and as rhombic octahedra.

It is decomposed by acids into a mixture of lead monoxide and dioxide, and may thus be regarded as lead metaplumbate, PbPbO3.

April 19, 2024tortuous

[tawr-choo-uhs ]

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