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Dy

Symbol, Chemistry
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for Dy

Dy

Chemical symbol
1.
dysprosium

DY

abbreviation
1.
Benin (international car registration)
Word Origin
from Dahomey
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Dy in Medicine

Dy
The symbol for the element dysprosium.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Dy in Science
Dy  
The symbol for dysprosium.
dysprosium
  (dĭs-prō'zē-əm)   
Symbol Dy
A soft, silvery metallic element of the lanthanide series. Because it has a high melting point and absorbs neutrons well, dysprosium is used to help control nuclear reactions. Atomic number 66; atomic weight 162.50; melting point 1,407°C; boiling point 2,600°C; specific gravity 8.536; valence 3. See Periodic Table.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Related Abbreviations for Dy

Dy

dysprosium

DY

Benin (international vehicle ID)
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Encyclopedia Article for Dy

(Dy), chemical element, rare-earth metal of the lanthanoid series of the periodic table. A relatively hard and very reactive metal, it is oxidized by air and by water. Its high melting point and ability to absorb neutrons make it useful in control rods for nuclear reactors. Its compounds have been used for making laser materials, as components in some electronic equipment, and as phosphor activators

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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