oer

Definitions of oer
  1. noun
    crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions
    synonyms: oergrond
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    type of:
    grondsoort, smeerlapperij
    the part of the earth's surface consisting of humus and disintegrated rock
  2. noun
    a widely occurring iron oxide ore; a mixture of goethite and hematite and lepidocrocite
    synonyms: bruinijzersteen, limoniet, oergrond
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    type of:
    ijzererts
    an ore from which iron can be extracted
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