[dis-pley-zhuh, -zhee-uh, -zee-uh]
noun Pathology.
abnormal growth or development of cells, tissue, bone, or an organ.

1930–35; dys- + -plasia

dysplastic [dis-plas-tik] , adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
dysplasia (dɪsˈpleɪzɪə)
abnormal development of an organ or part of the body, including congenital absence
[C20: New Latin, from dys- + -plasia, from Greek plasis a moulding]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

1935, Mod.L., from dys- + Gk. plasis "molding," from plassein "to form, mold" (see plasma).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

dysplasia dys·pla·sia (dĭs-plā'zhə, -zhē-ə)
Abnormal development or growth of tissues, organs, or cells.

dys·plas'tic (-plās'tĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
dysplasia   (dĭs-plā'zhə)  Pronunciation Key 
Abnormal development or growth of tissues, organs, or cells.

dysplastic adjective
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Perhaps cats' purring helps alleviate the dysplasia or osteoporotic conditions
  that are more common in their canid cousins.
Hip dysplasia is common in many large breeds and comes in many degrees of
We also know that early detection makes dysplasia easier to treat.
Anhidrotic ectodermal dysplasia leaves sufferers toothless, bald, and unable to
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