rare-earth element


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to rare-earth element: noble metal

rare-earth element

Etymology: L, rarus, thin; AS, earthe + L, elementum
a metallic element having an atomic number between 57 and 71, inclusively. Also called rare-earth metal.
References in periodicals archive ?
In fact, the magnesium casting industry routinely adds neodymium and other rare-earth elements to make alloys that are corrosion-resistant and offer improved weldability.
Distribution of yttrium and rare-earth elements in the Penge and Kuruman ironformations, Transvaal Supergroup, South Africa.
Any rare-earth elements produced during this phase will be jointly owned by Jamaica and the Japanese company.
The de facto export ban on rare-earth elements - often referred to as "industrial vitamins" - struck a terrible blow to Japanese companies, which rely on China for 97 percent of their supply.
Rare-earth elements, which are listed in their own niche of the Periodic Table of the Elements, are actually abundant in Earth's crust.
Despite their name, rare-earth elements are actually abundant in Earth's crust.
He says some examples are diamonds in the James Bay area, at Temagami, Kirkland Lake and Wawa, and rare-earth elements in northwestern Ontario.
Rare-earth elements are also key to 'green' technology: Energy-efficient light bulbs use europium and yttrium, while hybrid car batteries and wind-power turbines use neodymium.
Rare Element Resources Limited (Rare Element Resources) (TSX-V: RES), a publicly traded mineral resource company focused on gold and strategic metals such as the rare-earth elements, has acquired the Nuiklavik rare-earth-element (REE) prospect from Altius Resources Incorporated (Altius).
Specialists in the field had generallyexpected that these materials, which are ceramic compounds of copper oxide with rare-earth elements, would have the capacity to stand very high currents.
the company holds over 12,000 acres of mining claims for rare-earth elements in Colorado, Idaho and Montana.
These materials are compounds of copper,oxygen and rare-earth elements.