Rare earth

noun

Word Frequency: 0.8

Definitions

1.nounAny 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.

Synonyms

rare-earth element lanthanide lanthanon rare earth element rare earth metal rare earth mineral lanthanite rare earth magnet xenotite orthoferrite lanthanoid radiolanthanide

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