Ore definitions Webster's 1828 Dictionary ORE, n. [L. as, aris, brass. 1. The compound of a ... called ores, but native metals. 2. Metal; as the liquid ore. WordNet (r) 3.0 (2005) n 1: a mineral that ... a monetary subunit in Denmark and Norway and Sweden; 100 ore equal 1 krona Merriam Webster's or Oreg abbreviation Oregon ... Etymology: Middle English or, oor, partly from Old English ?ra ore; partly from Old English ?r brass; akin to Old High ... source from which valuable matter is extracted II. noun (plural ore) Etymology: Swedish öre & Danish & Norwegian øre Date: 1716 — see ...
ore dressing definitions WordNet (r) 3.0 (2005) n 1: crushing and separating ore into valuable substances or waste by any of a variety of techniques [syn: mineral extraction, mineral processing, mineral dressing, ore processing, ore dressing, beneficiation] Merriam Webster's noun Date: 1831 mechanical preparation (as by crushing) and concentration (as by flotation) of ore Britannica Concise Mechanical treatment of crude ores to separate the valuable minerals. Ore dressing was at first applied only to ores of ...
iron ore definitions WordNet (r) 3.0 (2005) n 1: an ore from which iron can be extracted Webster's 1913 Dictionary ... Min.), a yellowish clay containing a large proportion of an ore of iron. Iron cross, a Prussian order of military merit ... made. Iron furnace, a furnace for reducing iron from the ore, or for melting iron for castings, etc.; a forge; a ... a yellow spot on cloth stained by rusty iron. Iron ore (Min.), any native compound of iron from which the metal ... common pyrites, or pyrite. See Pyrites. Iron sand, an iron ore in grains, usually the magnetic iron ore, formerly used ...
Ore hearth definitions Webster's 1913 Dictionary Ore Ore, n. [AS. [=a]ra; cf. [=a]r brass, bronze, akin ... throw out what is worthless. 3. Metal; as, the liquid ore. [R.] --Milton. Ore hearth, a low furnace in which rich lead ore is reduced; -- also called Scotch hearth. --Raymond.
yellow lead ore definitions Webster's 1913 Dictionary Wulfenite Wul"fen*ite, n ... to red, gray, or brown color; -- also called yellow lead ore. Webster's 1913 Dictionary Yellow Yel"low, a. [Compar. Yellower ... a hydrous sulphate of iron; -- called also copiapite. Yellow copper ore, a sulphide of copper and iron; copper pyrites. See Chalcopyrite ... for their irritability, and for their painful stings. Yellow lead ore (Min.), wulfenite. Yellow lemur (Zo["o]l.), the kinkajou. Yellow ... Yellow ocher (Min.), an impure, earthy variety of brown iron ore, which is used as a pigment. Yellow oxeye (Bot.), a ...
Swamp-ore definitions Webster's 1828 Dictionary SWAMP-ORE, n. In mineralogy, an ore of iron found in swamps and morasses; called also bog-ore, or indurated bog iron ore. Its color is a dark yellowish brown or gray; its ...
green lead ore definitions WordNet (r) 3.0 (2005) n 1: a mineral ... phosphate; a minor source of lead [syn: pyromorphite, green lead ore] Webster's 1913 Dictionary Green Green, a. [Compar. Greener; superl ... i, that of Martinique is the Colubrina ferruginosa. Green iron ore (Min.) dufrenite. Green laver (Bot.), an edible seaweed (Ulva latissima); -- called also green sloke. Green lead ore (Min.), pyromorphite. Green linnet (Zo["o]l.), the greenfinch. Green ...
Red lead ore definitions Webster's 1913 Dictionary Lead Lead (l[e^]d ... United States, where its presence is supposed to indicate lead ore. --Gray. Lead tree. (a) (Bot.) A West Indian name for ... and also as an ingredient of flint glass. Red lead ore (Min.), crocoite. Sugar of lead, acetate of lead. To arm ... of a bright hyacinth red color; -- called also red lead ore.
brittle silver ore definitions Webster's 1913 Dictionary Silver Sil"ver, n. [OE ... Silver, a. Black silver (Min.), stephanite; -- called also brittle silver ore, or brittle silver glance. Fulminating silver. (Chem.) (a) A black ... and metallic luster; called also black silver, and brittle silver ore. Webster's 1913 Dictionary . Farewell, thou pretty, brittle piece Of fine-cut crystal. --Cotton. Brittle silver ore, the mineral stephanite.
Yellow copper ore definitions Webster's 1913 Dictionary Yellow Yel"low, a. [Compar ... a hydrous sulphate of iron; -- called also copiapite. Yellow copper ore, a sulphide of copper and iron; copper pyrites. See Chalcopyrite ... for their irritability, and for their painful stings. Yellow lead ore (Min.), wulfenite. Yellow lemur (Zo["o]l.), the kinkajou. Yellow ... Yellow ocher (Min.), an impure, earthy variety of brown iron ore, which is used as a pigment. Yellow oxeye (Bot.), a ...
ore processing definitions WordNet (r) 3.0 (2005) n 1: crushing and separating ore into valuable substances or waste by any of a variety of techniques [syn: mineral extraction, mineral processing, mineral dressing, ore processing, ore dressing, beneficiation]
Bog ore definitions Webster's 1913 Dictionary Bog Bog, n. [Ir. & Gael ... Same as Sphagnum. Bog myrtle (Bot.), the sweet gale. Bog ore. (Min.) (a) An ore of iron found in boggy or swampy land; a variety of brown iron ore, or limonite. (b) Bog manganese, the hydrated peroxide of manganese ...
Rhombohedral iron ore definitions Webster's 1913 Dictionary Rhombohedral Rhom`bo*he"dral ... system of forms including the rhombohedron and scalenohedron. Rhombohedral iron ore (Min.) See Hematite. Rhombohedral system (Crystallog.), a division of the ... a"i^ma, a"i`matos, blood.] (Min.) An important ore of iron, the sesquioxide, so called because of the red ... red ocher. Called also specular iron, oligist iron, rhombohedral iron ore, and bloodstone. See Brown hematite, under Brown.
Purple copper ore definitions Webster's 1913 Dictionary Purple Pur"ple, a. 1 ... l.), the European purple gallinule. See under Gallinule. Purple copper ore. (Min.) See Bornite. Purple grackle (Zo["o]l.), the crow ... n. [Named after Von Born, a mineralogist.] (Min.) A valuable ore of copper, containing copper, iron, and sulphur; -- also called purple copper ore (or erubescite), in allusion to the colors shown upon the ...
Titanic iron ore definitions Webster's 1913 Dictionary Titanic Ti*tan"ic, a ... acids, called also metatitanic acid, polytitanic acid, etc. Titanic iron ore. (Min.) See Menaccanite. Webster's 1913 Dictionary Menaccanite Me*nac ... but occurs also in rhombohedral crystals. Called also titanic iron ore, and ilmenite.