Meaning Of The Word Rare-earth element
What's the definition of Rare-earth element? Find Rare-earth element meanings, definitions and more at the Real Dictionary online.
Rare-earth element Meaning
| Rare-earth element Definition |
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What's The Definition Of Rare-earth element?
rare-earth element in American English
any of the series of metallic chemical elements, with consecutive atomic numbers of 57 (lanthanum) through 71 (lutetium) inclusive noun: any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons rare-earth element in British English noun: any element of the lanthanide series |
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