noun
lead dioxide; lead(IV) oxide
Chemical compound with formula PbO₂. Used in technical and scientific contexts.
二酸化鉛は鉛蓄電池の正極材料として使われる。
Lead dioxide is used as the positive electrode material in lead-acid batteries.
Compound of 二酸化 (dioxide) + 鉛 (lead). The reading follows standard on'yomi for the kanji.