Dy


Symbol, Chemistry.

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Examples from the Web for dy

British Dictionary definitions for dy (1 of 2)

Dy


the chemical symbol for

dysprosium

British Dictionary definitions for dy (2 of 2)

DY


abbreviation for

Benin (international car registration)

Word Origin for DY

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

Medicine definitions for dy

Dy


The symbol for the elementdysprosium
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for dy (1 of 2)

Dy


The symbol for dysprosium.

Science definitions for dy (2 of 2)

dysprosium

[ dĭs-prōzē-əm ]

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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.