Definition of ore noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ɔː(r)//
; NAmE NAmE//ɔːr//
[uncountable, countable]
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rock, earth, etc. from which metal can be obtained iron ore ore smelted with charcoal smelting the ore with charcoal Word OriginOld English ōra ‘unwrought metal’, of West Germanic origin; influenced in form by Old English ār ‘bronze’ (related to Latin aes ‘crude metal, bronze’).
See the Oxford Advanced American Dictionary entry: ore