Definition of rare-earth element Rare-earth element
We found 1 definitions of rare-earth element from 1 different sources.
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What does rare-earth element mean?
WordNet
Noun |
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| rare-earth element - any element of the lanthanide series (atomic numbers 57 through 71) | ||
| rare earth, lanthanoid, lanthanide, lanthanon | ||
| group, grouping any number of entities (members) considered as a unit | ||
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