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