hyperostosis

[hahy-per-o-stoh-sis]

hy·per·os·to·sis

[hahy-per-o-stoh-sis]
noun Pathology.
abnormal development of bony tissue.

Origin:
1825–35; hyper- + ostosis

hy·per·os·tot·ic [hahy-per-o-stot-ik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Hyperostosis has a plethora of syllables.
So is antidisestablishmentarianism. Does it mean:
an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language.
opposition to the withdrawal of state support or recognition from an established church, esp. the Anglican Church in 19th-century England.
Collins
World English Dictionary
hyperostosis (ˌhaɪpərɒˈstəʊsɪs)
 
n , pl -ses
1.  an abnormal enlargement of the outer layer of a bone
2.  a bony growth arising from the root of a tooth or from the surface of a bone
 
hyperostotic
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

hyperostosis hy·per·os·to·sis (hī'pər-ŏ-stō'sĭs)
n. pl. hy·per·os·to·ses (-sēz)

  1. Excessive or abnormal thickening or growth of bone tissue.

  2. See exostosis.


hy'per·os·tot'ic (-ŏ-stŏt'ĭk) 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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