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pyrolusite

Pyrolusite is a 10 letter word which starts with the letter P and ends with the letter E for which we found 1 definitions.

Definition
(n.) Manganese dioxide a mineral of an iron-black or dark steel-gray color and metallic luster usually soft. Pyrolusite parts with its oxygen at a red heat and is extensively used in discharging the brown and green tints of glass (whence its name).
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