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二氧化锰
èr​yǎng​huà​měng

manganese dioxide

Definitions Defs Origin Strokes Stroke Words Sentences Sents
二氧化锰 二氧化錳 èr​yǎng​huà​měng
manganese dioxide
A black, water-insoluble crystalline compound found naturally as pyrolusite; used in dry-cell batteries, as an oxidizing agent in organic chemistry, and as a catalyst.

Frequency

Written text
0.185 per million

Sources

Frequency data
BCC Corpus (BLCU)