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A steel-gray to black mineral, MnO(OH), found in North America and Europe; manganese oxide.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Minerals) a blackish mineral consisting of basic manganese oxide in monoclinic crystalline form: a source of manganese. Formula: MnO(OH)
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈmæŋ gəˌnaɪt)

1. a gray to black mineral, hydrous manganese oxide, MnO(OH); gray manganese ore.
2. any of a series of salts containing tetravalent manganese and derived from either of two acids, H4MnO4 or H2MnO3.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.manganite - a black mineral consisting of basic manganese oxidemanganite - a black mineral consisting of basic manganese oxide; a source of manganese
atomic number 25, manganese, Mn - a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
This leads us to conclude that the grain growth is suppressed by the rare earth ions especially manganite's whose base is rare earth [25].
The probable potential minerals in organic plant tissues according to the XRD database were: arcanite ([K.sub.2]S[O.sub.4]), calcium borate hydrate ([Ca.sub.3] [(B[O.sub.3]).sub.2]*[H.sub.2]O), calcium silicide (Ca[Si.sub.2]), cristobalite (Si[O.sub.2]), celestine (SrS[O.sub.4]), calcium phosphate (CaHP[O.sub.4]), hydrogrossular ([Ca.sub.3][Al.sub.2][(Si[O.sub.4]).sub.3-x][(OH).sub.4x]), manganite (MnO(OH)), potassium nitrate (KN[O.sub.3]), potassium oxalate hydrate ([K.sub.2][C.sub.2][O.sub.4].
Saravanan (physics, Madura College) investigates the growth, physical, and X-ray characterization of materials having manganite structures.
Zhang, "Magnetic relaxation behavior in Tb-doped perovskite manganite," Journal of Magnetism and Magnetic Materials, vol.
(2005) analyzed different types of magnetocaloric materials such as gadolinium (Gd), Gd-based alloys, manganite (Mn), and Mn-based alloys.
Samples 2 and 4 have peaks with low intensity, that are specific for the crystal phases [gamma]-Al[(OH).sub.3], [gamma]-AlOOH, manganite [gamma]-MnOOH and [Mn.sub.3][O.sub.4], respectively.
In the exhibition from all over Khyber Pakhtunkhwa, Chitral, Gilgit Baltistan, Quetta and other areas of the country the Gems and Jewelry business community arranged some stall in which precious stones like Ruby, Tourmaline, Peridot, Sapphire, Emerald, Aquamarine, Topaz, Zircon, Spinel, Kunzite, Tanzanite, Manganite, Pearl, Turquoise, Lapislazuli, Citrine, Opal, Coral, Agate, Amber, Malachite, Almandine Garnet, Moon Stone, Sun Stone, Blood Stone, Amethyst, Aventurine.
In this research, ceramic nanoparticles of lanthanum manganite doped with strontium (La8Sr2MnO3) have been produced through mechanical milling and by using thermal operation.