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Blech. These are the grossest words.

lead dioxide

[led] /lɛd/
noun, Chemistry.
a brown crystalline compound, PbO 2 , toxic, insoluble in water and alcohol, soluble in glacial acetic acid: used as an oxidizing agent, in lead-acid batteries, and in analytical chemistry.
Origin of lead dioxide
1900-05 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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