gray manganese

См. также в других словарях:

• gray manganese oxide — gray manganese oxide, = manganite. (Cf. ↑manganite) …   Useful english dictionary

• gray manganese ore — Manganite Man ga*nite, n. 1. (Min.) One of the oxides of manganese; called also {gray manganese ore}. It occurs in brilliant steel gray or iron black crystals, also massive. [1913 Webster] 2. (Chem.) A compound of manganese dioxide with a… …   The Collaborative International Dictionary of English

• gray manganese ore — manganite. * * * …   Universalium

• gray manganese ore — noun : manganite 1 * * * manganite …   Useful english dictionary

• Manganese — Not to be confused with Magnesium. This article is about the chemical element. For the ghost town, see Manganese, Minnesota. For the steamship, see SS Manganese. chromium ← manganese → iron ↑ Mn ↓ Tc …   Wikipedia

• manganese dioxide — noun : a dark brown or gray black insoluble compound MnO2 found in nature as pyrolusite, made synthetically (as by decomposition of manganous nitrate or by chemical or electrolytic precipitation), and used chiefly as an oxidizing agent and a… …   Useful english dictionary

• manganese — man|ga|nese [ mæŋgə,niz ] noun uncount a hard gray metal used for making steel and glass …   Usage of the words and phrases in modern English

• gray speck — noun : a disease of oats caused by manganese deficiency and characterized by light green to grayish spots on the leaves and especially the blades that later turn buff or light brown …   Useful english dictionary

• Intoxication au manganèse — Pour les articles homonymes, voir Manganèse (homonymie). Intoxication au manganèse ou manganisme Classification et ressources externes …   Wikipédia en Français

• Red manganese — Red Red, a. [Compar. {Redder} ( d?r); superl. {Reddest}.] [OE. red, reed, AS. re[ a]d, re[ o]d; akin to OS. r[=o]d, OFries. r[=a]d, D. rood, G. roht, rot, OHG. r[=o]t, Dan. & Sw. r[ o]d, Icel. rau[eth]r, rj[=o][eth]r, Goth. r[ a]uds, W. rhudd,… …   The Collaborative International Dictionary of English

• manganite — /mang geuh nuyt /, n. 1. a gray to black mineral, hydrous manganese oxide, MnO(OH); gray manganese ore. 2. Chem. any of a series of salts containing tetravalent manganese and derived from either of two acids, H4MnO4 or H2MnO3. [1820 30;… …   Universalium