Rare Earth Elements (REE) | U.S. Geological Survey
In this time of increased focus on renewable energy technologies, rare earth elements (REEs) are of critical importance. For example, neodymium (Nd) is a REE used in the generator and motor magnets of wind turbines and electric vehicles. Reliance on REE imports puts the U.S. at high risk for supply disruption.
History and Future of Rare Earth Elements
The Discovery and Commercialization of the Rare Earth Elements. The term rare earth was coined when an unusual black rock was unearthed by a miner in Ytterby, Sweden, in 1788. The ore was called "rare" because …
What are rare earths?
Rare earths are a group of 15 elements in the periodic table known as the Lanthanide series. Rare earths are categorised into Light Rare Earths (lanthanum to samarium) and …
Rare Earth Elements
The rare earth elements are a group of transition metals, found mainly in the first row below the periodic table (the lanthanide series), plus scandium and yttrium. Despite the name, these elements are fairly …
What does rare earth mean?
Meaning of rare earth. What does rare earth mean? Information and translations of rare earth in the most comprehensive dictionary definitions resource on the web.
Rare earth elements: A review of applications
Rare-earth elements (hereinafter referred to as REE) are a group of seventeen chemical elements in the periodic table, in particular the fifteen lanthanides as well as …
Rare Earth Elements | Geoscience Australia
The first rare-earth carbonate was produced in October 2018 and, in December, the company reported that the first shipment of 2578 kg of this product had left the project site for customers in China 109. Cummins Range Deposit: This prospect is located 130 km southwest of Halls Creek. The Cummins Range intrusive is part of an …
What are Rare Earth Elements? | EuRare Project
Rare Earth Elements (REE) is the collective name for 17 chemically similar metallic elements (the lanthanides, Scandium and Yttrium) that occur in a wide range of REE bearing minerals and are mined collectively. They are …
What are rare earth elements, and why are they …
A precise definition of rare earth elements (REEs) and in-depth discussion of how common REEs are, worldwide REE production, and current REE …
rare earth noun
Definition of rare earth noun from the Oxford Advanced Learner's Dictionary. rare earth ... Rare earth metals are used in virtually every electronic device. Take your English to the next level. The Oxford Learner's Thesaurus explains …
West ia Makes Rare Breakthrough in Rare Earth Minerals
Published on Thursday, 19 August 2021 22:17. Due to the semiconductor chip crisis, West ia has a rare opportunity in rare earth minerals during the pandemic. During the pandemic last year, the demand for chips that power computers, phones, and other consumer electronics products increased sharply. Chips are transferred to meet demand.
Rare-earth element
Rare-earth element - Minerals, Ores, Uses: The content of the individual rare-earth elements varies considerably from mineral to mineral and from deposit to deposit. The minerals and ores are generally classified as "light" or "heavy"; in the former group most of the elements present are the light-atomic-weight elements (i.e., lanthanum, cerium, …
The Rare-Earth Elements— Vital to Modern …
Rare-earth magnets are stronger per unit weight and volume than any other magnet type. Clean energy technologies, such as large wind turbines and electric vehicles, use rare-earth permanent magnets (meaning permanently magnetized) that usually contain four REEs: praseodymium, neodymium, samarium, and dysprosium.
Rare-earth element | Uses, Properties, & Facts | Britannica
noun. 1. : any of a group of similar oxides of metals or a mixture of such oxides occurring together in widely distributed but relatively scarce minerals. 2. : …
A Look at Rare Earth Metals and Their Applications
In order of increasing atomic mass, the 17 rare earth metals and some of their common applications are given below. Scandium: Atomic weight 21. Used to strengthen aluminum alloys. Yttrium: Atomic weight 39. Used in superconductors and exotic light sources. Lanthanum: Atomic weight 57. Used in specialty glasses and optics, …
RARE EARTH definition and meaning | Collins English …
2 meanings: 1. any oxide of a lanthanide 2. Also called: rare-earth element. another name for lanthanide.... Click for more definitions.
Rare earths Definition & Meaning
The meaning of RARE EARTH is any of a group of similar oxides of metals or a mixture of such oxides occurring together in widely distributed but relatively scarce minerals.
What are rare earth elements? | Earth | EarthSky
They're much more abundant in the Earth's crust than many other valuable elements. Even the rarest rare earth, thulium, with atomic number 69, is 125 times more common than gold. And the least ...
Evaluating Rare Earth Element Deposits
The term rare earth element is commonly abbreviated to "REE" and their oxides to "REO". To avoid confusion, it is wise in reporting REE resources to define whether yttrium is included and to report REO values rather than REE. In this paper, REO includes yttrium oxide and TREO refers to the total sum of the REO.
Rare Earth Definition & Meaning | YourDictionary
Rare Earth definition: Any of various oxides of the rare-earth elements.
Rare Definition & Meaning
rare: [adjective] marked by wide separation of component particles : thin.
Rare earth elements: A review of applications
Rare-earth elements (hereinafter referred to as REE) are a group of seventeen chemical elements in the periodic table, in particular the fifteen lanthanides as well as yttrium and scandium as defined by the International Union of Pure and Applied Chemistry (IUPAC). Scandium and yttrium are considered REE since they tend to occur in the …
REE
Rare earth elements are a group of seventeen chemical elements that occur together in the periodic table (see image). The group consists of yttrium and the 15 lanthanide elements …
Rare Earth Elements
Overview. The rare earth elements (REEs) are comprised of the lanthanide elements plus scandium and yttrium, which have similar physical properties and are often found in the same ores and deposits. Specifically, REEs include the light REEs (LREEs) such as lanthanum, cerium, praseodymium, neodymium, samarium, europium, and the heavy …
rare earth noun
Rare earth metals are used in virtually every electronic device. Want to learn more? Find out which words work together and produce more natural-sounding English with the Oxford Collocations Dictionary app. Try it for free as part of the …
What are 'rare earths' used for?
Rare earth elements are chemically similar and are sometimes used in similar ways "Rare earths" are a group of 17 chemically similar elements crucial to the manufacture of many hi-tech products ...
Investing in Rare Earth Metals | Britannica Money
As of January 2023, China holds the largest share of proven rare earth deposits in the world, boasting 33.8% of all reserves. Vietnam is in second place, with reserves of 16.9% of all available rare earths. Russia and Brazil are tied for third, each accounting for around 16.1% of the world's rare earth reserves.
RARE EARTH Definition & Meaning | Dictionary
Rare earth definition: the oxide of any of the rare-earth elements contained in various minerals. See examples of RARE EARTH used in a sentence.
Rare Earth Elements: Minerals of the Future » Geology Science
Definition and Significance of Rare Earth Elements (REEs) Rare Earth Elements refer to a group of seventeen chemically similar elements, including scandium, yttrium, and the fifteen lanthanides. Despite the name, REEs are not exceptionally rare in terms of abundance in the Earth's crust; however, they are typically dispersed and not often ...
Rare-Earth Metals: Definition, Properties, Use, and Types
Rare-earth metals, also referred to as rare-earth elements (REEs), are a group of seventeen naturally occurring chemical elements. Most are found on the periodic table's F block. They possess unique properties that make them valuable in various technological applications. Rare-earth metals exhibit high magnetic strength, …