Ore(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).
Ore(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.