Meaning of ORE in English

ORE

/ ɔː(r); NAmE / noun

[ U , C ] rock, earth, etc. from which metal can be obtained :

iron ore

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WORD ORIGIN

Old English ōra unwrought metal , of West Germanic origin ; influenced in form by Old English ār bronze (related to Latin aes crude metal, bronze).

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.