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[ey-kon-druh-pley-zhuh, -zhee-uh, -zee-uh] /eɪˌkɒn drəˈpleɪ ʒə, -ʒi ə, -zi ə/
noun, Pathology.
defective conversion of cartilage into bone, especially at the epiphyses of long bones, producing a type of dwarfism.
Origin of achondroplasia
First recorded in 1890-95; a-6 + chondro- + -plasia
Related forms
[ey-kon-druh-plas-tik] /eɪˌkɒn drəˈplæs tɪk/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for achondroplasia


a skeletal disorder, characterized by failure of normal conversion of cartilage into bone, that begins during fetal life and results in dwarfism
Derived Forms
achondroplastic (eɪˌkɒndrəʊˈplæstɪk) adjective
Word Origin
C20: New Latin; see a-1, chondro-, -plasia
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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achondroplasia in Medicine

achondroplasia a·chon·dro·pla·sia (ā-kŏn'drō-plā'zhə, -zhē-ə, ə-kŏn'-) or a·chon·dro·plas·ty (ā-kŏn'drō-plās'tē, ə-kŏn'-)
Improper development of cartilage at the ends of the long bones, resulting in a form of congenital dwarfism. Also called osteosclerosis congenita.

a·chon'dro·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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