Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A soft, silvery metallic rare-earth element occurring in monazite and bastnaesite used in nuclear reactor control rods and in the manufacture of laser materials and compact discs. Atomic number 66; atomic weight 162.50; melting point 1,412°C; boiling point 2,567°C; specific gravity 8.551; valence 3. cross-reference: Periodic Table.
from The Century Dictionary.
- noun In chem., one of the supposedly distinct elements of the yttrium group contained in samarskite and gadolinite, closely related to holmium, but distinguished from it by a special absorption-spectrum.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Chem.) An element of the rare earth-group. Symbol Dy; at. wt., 162.5.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A metallic chemical element (symbol Dy) with an
atomic number of 66.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a trivalent metallic element of the rare earth group; forms compounds that are highly magnetic
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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A material known as dysprosium, used in magnets for wind turbines and electric vehicles, is particularly important to the clean-technology sector.
U.S.: Rare-Earth Supplies Face Possible Disruptions Tennille Tracy 2010
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Dysprosium - one of the most critical rare-earth elements used in heat-resistant magnets for military radar systems In Latin, dysprosium means "hard to get" - has risen from $6.50 per pound in 2003 to more than $130 per pound today.
The Full Feed from HuffingtonPost.com Rep. Hank Johnson 2011
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Ucore mines for heavy' rare-earth minerals such as dysprosium, which is used to make wind turbines and electric vehicles.
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Japan's high-powered magnet makers are grappling with tight supplies of dysprosium, which is commercially available at a reasonable cost only in China.
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TOKYO Reuters - Japan aims to cut domestic consumption of a heavy rare earth used widely in hybrid cars and electronics by 30 percent over the next two years as China keeps a tight grip on exports of the material, known as dysprosium.
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It said Boulder Wind Power's design allows for magnets that don't need the mineral dysprosium, which is scarce.
unknown title 2011
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Department of Energy study recently warned of short-term supply disruptions for elements such as dysprosium and neodymium needed to make wind turbines and electric cars.
China's Rare-Earth Exports Slide, Still Bust Quota James T. Areddy 2011
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China controls around 95% of the world's rare-earth output, a near-monopoly it has slowly built with the help of its export quotas to achieve higher prices for the ores, which include obscure elements such as dysprosium and neodymium.
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HREE, such as dysprosium and terbium, is estimated at 8% and 6% respectively.
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Southern Afghanistan, where Helmand is located, may also hold uranium and so-called heavy rare-earth elements such as dysprosium, he said, which is used in magnets.
oroboros commented on the word dysprosium
Dy.
December 16, 2007