English
Detailed Synonyms for rare-earth element in English
rare-earth element:
rare-earth element [the ~] noun
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the rare-earth element
– any element of the lanthanide series (atomic numbers 57 through 71) 1the lanthanide; the lanthanoid; the lanthanon; the rare earth; the rare-earth element– any element of the lanthanide series (atomic numbers 57 through 71) 1