PYROLUSITE
pyrolusite
(noun) a mineral consisting of manganese dioxide; an important source of manganese
Source: WordNet® 3.1
Noun
pyrolusite (countable and uncountable, plural pyrolusites)
(mineral) A dark coloured mineral, consisting of manganese dioxide (MnO2), that is an important ore of manganese.
Anagrams
• pretiously
Source: Wiktionary
Pyr`o*lu"site, n. Etym: [Pyro- + Gr. (Min.)
Definition: 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).
Source: Webster’s Unabridged Dictionary 1913 Edition
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SOAK
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