from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A black or blackish-red to brick-red mineral, essentially Fe2O3, the chief ore of iron.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An iron ore, mainly peroxide of iron, Fe2O3.
from the GNU version of the Collaborative International Dictionary of English
- n. An important ore of iron, the sesquioxide, so called because of the red color of the powder. It occurs in splendent rhombohedral crystals, and in massive and earthy forms; -- the last called red ocher. Called also specular iron, oligist iron, rhombohedral iron ore, and bloodstone. See Brown hematite, under brown.
from The Century Dictionary and Cyclopedia
- n. Native anhydrous iron sesquioxid, or redoxid of iron, Fe2O3.
- n. An intaglio cut in hematite.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the principal form of iron ore; consists of ferric oxide in crystalline form; occurs in a red earthy form
Middle English emathite, ematites, from Latin haematītēs, from Greek (lithos) haimatītēs, bloodlike (stone), from haima, haimat-, blood.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle French hematite, from Latin (lapis) haematites, from Ancient Greek αἱματίτης λίθος (haimatitēs lithos, "blood-red stone"), from αἷμα (haima, "blood"). (Wiktionary)