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lead dioxide

[ led ]
/ lɛd /
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noun Chemistry.
a brown crystalline compound, PbO2, toxic, insoluble in water and alcohol, soluble in glacial acetic acid: used as an oxidizing agent, in lead-acid batteries, and in analytical chemistry.
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Origin of lead dioxide

First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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