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   English
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rare-earth elements ['reəɜ:θ'elɪmənts]
chem. tierras raras
rare earth element
earth.sc., chem. metal de las tierras raras; tierra rara; tierras raras
rare earth elements
chem. elementos de tierras raras
 English thesaurus
rare-earth elements ['reəɜ:θ'elɪmənts]
abbr. ree
rare earth element
nucl.pow. REE element (MichaelBurov)
rare earth elements
met. REEs (MichaelBurov)