• synonyms


[hahy-puh-pley-zhuh, -zhee-uh, -zee-uh]
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  1. Pathology. abnormal deficiency of cells or structural elements.
  2. (in plants) inability to mature properly owing to a disease or inadequate supply of nutrients.
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Also hy·po·plas·ty [hahy-puh-plas-tee] /ˈhaɪ pəˌplæs ti/.

Origin of hypoplasia

First recorded in 1895–1900; hypo- + -plasia
Related formshy·po·plas·tic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for hypoplasia


hypoplasty (ˈhaɪpəʊˌplæstɪ)

  1. pathol incomplete development of an organ or part
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Derived Formshypoplastic (ˌhaɪpəʊˈplæstɪk), adjective
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

hypoplasia in Medicine


  1. Incomplete or arrested development of an organ or part.
  2. Atrophy due to destruction of some of the elements of a tissue or organ.
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Related formshy′po•plastic (-plăstĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.