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Black Manganese
* 1.black manganese(chem.), a heavy black powder mno2, occurring native as the mineral pyrolusite, and valuable as a strong oxidizer -- called also familiarly manganese. it colors glass violet, and is used as a decolorizer to remove the green tint of impure glass...see also: manganeseblack manganese (chem.), the black oxide of manganese, mno2...see also: black İngilizce Benzer Kelimeler* a black eye * a black mark * acetylene black * american black bear * aniline black * aniline black process * animal black * as black as * as black as a crow * as black as coal * as black as ink * as black as night * as black as pitch * as black as soot * asian black grouse |
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