- a metal-bearing mineral or rock, or a native metal, that can be mined at a profit.
- a mineral or natural product serving as a source of some nonmetallic substance, as sulfur.
Origin of ore
- a bronze coin of Norway, the 100th part of a krone.
- a zinc or bronze coin of Denmark, the 100th part of a krone.
- a bronze coin of Sweden, the 100th part of a krona.
- a fractional currency of the Faeroe Islands, the 100th part of a krona.
Origin of öre
Examples from the Web for ores
This will happen to all of your Earth unless the ores are given us.Raiders of the Universes
The ores were very generally decomposed to a depth of about 300 feet.Mexico
Charles Reginald Enock
Other ores are converted into oxides and reduced by heating with carbon.
The process of extracting a metal from its ores is called the metallurgy of the metal.
But the greater mass of the ores we melt have a far less produce than this.
- any naturally occurring mineral or aggregate of minerals from which economically important constituents, esp metals, can be extracted
- a Scandinavian monetary unit worth one hundredth of a Swedish krona and (øre) one hundredth of a Danish and Norwegian krone
Word Origin and History for ores
12c., merger of Old English ora "ore, unworked metal" (related to ear "earth," cognate with Low German ur "iron-containing ore," Dutch oer, Old Norse aurr "gravel"); and Old English ar "brass, copper, bronze," from Proto-Germanic *ajiz- (cf. Old Norse eir "brass, copper," German ehern "brazen," Gothic aiz "bronze"), from PIE *aus- "gold" (see aureate). The two words were not fully assimilated till 17c.; what emerged has the form of ar but the meaning of ora.
- A naturally occurring mineral or rock from which a valuable or useful substance, especially a metal, can be extracted at a reasonable cost.