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A black or blackish-red to brick-red mineral, essentially Fe2O3, the chief ore of iron.
[Middle English emathite, ematites, from Latin haematītēs, from Greek (lithos) haimatītēs, bloodlike (stone), from haima, haimat-, blood.]
he′ma·tit′ic (-tĭt′ĭk) adj.
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 red, grey, or black mineral, found as massive beds and in veins and igneous rocks. It is the chief source of iron. Composition: iron (ferric) oxide. Formula: Fe2O3. Crystal structure: hexagonal (rhombohedral). Also called: iron glance
[C16: via Latin from Greek haimatitēs resembling blood, from haima blood]
hematitic, haematitic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a mineral, ferric oxide, Fe2O3, occurring in brilliant black crystals and in earthy masses: the principal ore of iron.
[1535–45; < Latin haematītēs bloodstone < Greek haimatitēs (lithós) bloodlike (stone). See hemato-, -ite1]
he`ma•tit′ic (-ˈtɪt ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
A reddish-brown to silver-gray mineral consisting of iron oxide. Hematite occurs in igneous, metamorphic, and sedimentary rocks and is the most abundant iron ore. It is usually slightly magnetic.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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|Noun||1.||hematite - the principal form of iron ore; consists of ferric oxide in crystalline form; occurs in a red earthy form|
emery - a hard grey-black mineral consisting of corundum and either hematite or magnetite; used as an abrasive (especially as a coating on paper)
iron ore - an ore from which iron can be extracted
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