manganese dioxide

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 depolarizer in dry cells, in glassmaking and ceramics, as a pigment, and as a starting material for other manganese compounds (as permanganates and driers for varnishes and paints)

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manganese dioxide,
a black crystal, or brownish-black powder, used especially in making dyes, paints, and dry-cell batteries, as an oxidizing agent. Formula: MnO2

Useful english dictionary. 2012.

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  • Manganese dioxide — Manganese dioxide …   Wikipedia

  • Manganese dioxide — Manganese Man ga*nese , n. [F. mangan[ e]se, It. manganese, sasso magnesio; prob. corrupted from L. magnes, because of its resemblance to the magnet. See {Magnet}, and cf. {Magnesia}.] (Chem.) An element obtained by reduction of its oxide, as a… …   The Collaborative International Dictionary of English

  • manganese dioxide — n. a blackish, crystalline or powdery substance, MnO2, that is a strong oxidizing agent, used in making batteries, matches, etc. * * * …   Universalium

  • manganese dioxide — n. a blackish, crystalline or powdery substance, MnO2, that is a strong oxidizing agent, used in making batteries, matches, etc …   English World dictionary

  • manganese dioxide — mangano(IV) oksidas statusas T sritis chemija formulė MnO₂ atitikmenys: angl. manganese black; manganese dioxide; manganese(IV) oxide rus. марганца диоксид; марганца(IV) оксид; марганцевая черная ryšiai: sinonimas – mangano dioksidas sinonimas –… …   Chemijos terminų aiškinamasis žodynas

  • manganese dioxide — /mæŋgəˌniz daɪˈɒksaɪd/ (say mangguh.neez duy oksuyd) noun a heavy black powder, MnO2, occurring naturally as pyrolusite; used as a source of metallic manganese, as an oxidising agent, and as a catalyst. Also, manganese peroxide …  

  • manganese dioxide — noun Date: 1866 a dark insoluble compound MnO2 used especially as an oxidizing agent, as a depolarizer of dry cells, and in making glass and ceramics …   New Collegiate Dictionary

  • Manganese(II) sulfate — monohydrate Mangan …   Wikipedia

  • Manganese(II) carbonate — IUPAC name Manganese(II) carbonate …   Wikipedia

  • Manganese(II) chloride — Anhydrous Tetrahydrate …   Wikipedia

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