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Definition of rare-earth

"rare-earth" is probably misspelled. Trying rare_earth instead Definition of rare_earth

1. rare_earth [ n ] any element of the lanthanide series (atomic numbers 57 through 71)

Used in print:

(1961 Research Highlights of the National Bureau of...)

Research continues on the very complex spectra of the rare_earth elements .

Synonyms rare_earth lanthanon lanthanide lanthanoid rare-earth_element Related Terms group chemical_element terbium_metal

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