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Dy

Symbol, Chemistry.
  1. dysprosium.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for dy

Historical Examples

  • I tell you, Billy and Dy are perfect fools, and the folks are all mad.

    The Law-Breakers

    Ridgwell Cullum

  • "Traa dy liooar (time enough), Deemster," the doctor would answer.

    The Manxman

    Hall Caine

  • But the preparations for the holidays went on in spite of 'Tildy's grievance.

    Nights With Uncle Remus

    Joel Chandler Harris

  • If 'Tildy thought to propitiate Uncle Remus, she was mistaken.

    Nights With Uncle Remus

    Joel Chandler Harris

  • Evidently he had been hunting for 'Tildy in every house in the negro quarter.

    Nights With Uncle Remus

    Joel Chandler Harris


British Dictionary definitions for dy

Dy

the chemical symbol for
  1. dysprosium
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DY

abbreviation for
  1. Benin (international car registration)
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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

dy in Medicine

Dy

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

dy in Science

Dy

  1. The symbol for dysprosium.
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dysprosium

[dĭs-prōzē-əm]
Dy
  1. 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.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.