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View synonyms for rare-earth element
rare-earth element
[ rair-urth ]
noun
, Chemistry.
- 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
/ râr′ûrth′ /
- See lanthanide
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Word History and Origins
Origin of rare-earth element1
First recorded in 1955–60
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Example Sentences
That includes radioactive elements such as uranium, thorium and potassium, as well as rare-earth elements.
From Science News
In the coming weeks, the administration will continue to review America’s manufacturing abilities for pharmaceuticals, high-capacity batteries, and rare-earth elements that are found in everything from lasers to electric vehicles.
From Vox
It doesn’t help that when the US extracts rare-earth elements from mines in California and Colorado, more often than not they’re shipped to China to be made into American products, Vekasi told me.
From Vox
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