manganite


manganite

manganite [ mɑ̃ganit ] n. m. et f.
• 1872; de manganèse
1 N. m. Chim. Oxyde double (MnO2) du bioxyde de manganèse et d'un oxyde métallique.
2 N. f. Minér. Hydroxyde de manganèse naturel, cristallisé en aiguilles, en macles noires ou brunes.

manganite nom masculin Sel dérivant de l'anhydride manganeux MnO2. ● manganite nom féminin Oxyde naturel de manganèse hydraté MnO(OH), orthorhombique. ● manganite (synonymes) nom féminin Oxyde naturel de manganèse hydraté MnO(OH) , orthorhombique.
Synonymes :
- acerdèse

manganite [mɑ̃ganit] n. m.
ÉTYM. 1872; de mangan(èse), et suff. -ite.
Chim. Oxyde double (MnO2) du bioxyde de manganèse et d'un sesquioxyde métallique.

Encyclopédie Universelle. 2012.

Regardez d'autres dictionnaires:

  • Manganite — Catégorie IV : oxydes et hydroxydes[1] Manganite Hartz Allemagne …   Wikipédia en Français

  • 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 metallic oxide;… …   The Collaborative International Dictionary of English

  • Manganīte — Manganīte, s. Mangansuperoxyd …   Meyers Großes Konversations-Lexikon

  • manganite — [maŋ′gənīt΄] n. 1. a dark colored, shiny mineral, MnO(HO), that is an ore of manganese; hydrous manganese oxide 2. any of a series of salts that may be considered as derivatives of manganous acid, the hydroxide of tetravalent manganese …   English World dictionary

  • Manganite — This article is about the mineral of formula MnO(OH), for other uses of the term manganite see Manganite (disambiguation) Manganite Manganite, Ilfeld, Thuringia, Germany (size: 5.2×4.1×2.7 cm) Gener …   Wikipedia

  • manganite — manganitas statusas T sritis chemija apibrėžtis Mineralas. formulė MnOOH atitikmenys: angl. manganite rus. манганит …   Chemijos terminų aiškinamasis žodynas

  • manganite — manganitas statusas T sritis chemija formulė M₂MnO₃ atitikmenys: angl. manganite rus. манганит ryšiai: sinonimas – manganatas(IV) sinonimas – trioksomanganatas (2–) …   Chemijos terminų aiškinamasis žodynas

  • manganite — noun Date: 1827 1. a metallic gray to black mineral MnO(OH) that is a hydroxide and minor ore of manganese 2. any of various unstable salts made by reaction of manganese dioxide with a base …   New Collegiate Dictionary

  • 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

  • manganite — noun a dark gray mineral of manganese, MnO(OH), found throughout North America and Europe …   Wiktionary


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