Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A mineral or an aggregate of minerals from which a valuable constituent, especially a metal, can be profitably mined or extracted.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Rock that contains utilitarian materials; primarily a rock containing metals or gems which -- at the time of the rock's evaluation and proposal for extraction -- are able to be separated from its neighboring minerals and processed at a cost that does not exceed those materials' present-day economic values.

from the GNU version of the Collaborative International Dictionary of English

  • n. Honor; grace; favor; mercy; clemency; happy augury.
  • n. The native form of a metal, whether free and uncombined, as gold, copper, etc., or combined, as iron, lead, etc. Usually the ores contain the metals combined with oxygen, sulphur, arsenic, etc. (called mineralizers).
  • n. A native metal or its compound with the rock in which it occurs, after it has been picked over to throw out what is worthless.
  • n. Metal.

from The Century Dictionary and Cyclopedia

  • n. A metalliferous mineral of rock, especially one which is of sufficient value to be mined.
  • n. Metal; sometimes, specifically, a precious metal, as gold.
  • n. See the qualifying words.
  • n. A Middle English form of oar.
  • n. Favor; grace; mercy; clemency; protection.
  • n. Honor; glory.
  • n. A seaweed, especially Fucus vesiculosus or Laminaria digitata. Compare ore-weed.
  • n. A kind of fine wool.
  • n. One of the walls which surround the hearth of a Catalan forge.
  • n. In the metallurgical treatment of the residue from burning off the sulphur of pyrites in the manufacture of sulphuric acid this material is mixed with common salt, roasted in a suitable furnace with free access of air, and, after cooling, leached with water to extract salts of copper. The dark-red oxid of iron which is left from the leaching is known as purple ore or blue billy. It is reduced to pulverulent metallic iron and used to precipitate copper from the solution obtained in the leaching.
  • n. Abbreviations of Oregon.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a mineral that contains metal that is valuable enough to be mined
  • n. a monetary subunit in Denmark and Norway and Sweden; 100 ore equal 1 krona

Etymologies

Middle English, from Old English ōra and from Old English ār, brass, copper, bronze.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Middle English or, oor, blend of Old English ōra ("ore, unwrought metal") and ār ("brass, copper, bronze"), the first a derivate of ear ("earth"), the second from Proto-Germanic *aiz (compare Old Norse eir ("brass, copper"), German ehern ("brazen, bronzen"), Gothic 𐌰𐌹𐌶 (aiz, "ore")), from Proto-Indo-European *áyos, h₂éyos. Confer Latin aes ("bronze, copper"), Avestan ayah, Sanskrit अयस् (áyas, "copper, iron"). (Wiktionary)

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