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Meaning of rare earth

Source language: EnglishDictionary language: English

rare earth

noun

Definitions

  1. Any of the naturally occurring oxides of the lanthanide metals; they are widely distributed in relatively small concentrations and are used in glassmaking, ceramic glazes etc.

Sources:https://en.wiktionary.org/wiki/rare%20earth

Related words

rare-earth elementlanthanidelanthanonrare earth elementrare earth metalrare earth minerallanthaniterare earth magnet