rare earth element


Also found in: Dictionary, Thesaurus, Legal, Acronyms, Encyclopedia, Wikipedia.

rare earth element

One of a series of metallic elements that follow lanthanum (at. no. 57) in the periodic table of elements and that have oxides with similar properties. The series comprises the 14-element lanthanide series (at. nos. 58-71 and includes praseodymium, promethium, and ytterbium.
See also: element
References in periodicals archive ?
Palaeoenvironmental interpretations of rare earth element signatures in mosasaurs (reptilian) from the upper Cretaceous Pierre Shale, central South Dakota, USA.
Effect of some rare earth elements on the growth and lanthanide accumulation in different Trichoderma strains.
At least a thousand car parts use rare earth elements. For instance, they go into the permanent magnets, rechargeable batteries and regenerative braking systems for hybrid and electric vehicles, as well as the catalytic converters in petrol-powered cars.
Some of the major end uses for rare earth elements include use in
"We found the human remains have statistically the same concentrations of rare earth elements as the fossils."
For more information regarding rare earth elements, see the Rare Metal Blog at www.raremetalblog.com or Resource Stock Digest at http://strategicmetalstocks.resourcestockdigest.com/.
We remain excited to continue exploring for monazite-hosted rare earth elements on the Property.'
Rare earth elements in ultramafic and mafic rocks and their minerals; minor and accessory minerals.
(TSXv: CCE, FSE: D7H, OTCQX: CMRZF), an exploration and development company with a particular focus on deposits of rare metals and rare earth elements, has announced its results for the first two drill holes completed during the summer/autumn exploration program at the Ashram Rare Earth Element Zone at the Eldor Project in northern Quebec.
If scandium was not quite a rare earth element, other elements were discovered that were.