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noun Pathology.
  1. rickets.
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Origin of rachitis

1720–30; < New Latin < Greek rhachîtis inflammation of the spine. See rachis, -itis
Related formsra·chit·ic [ruh-kit-ik] /rəˈkɪt ɪk/, adjectivepost·ra·chit·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for rachitic

Historical Examples

  • He considers ringbone as articular, periarticular, rachitic and traumatic.

    Lameness of the Horse

    John Victor Lacroix

  • But he suffered from hyperfecundity, and many of his intellectual children are anmic and rachitic.

    Idling in Italy

    Joseph Collins

  • In the normal infant it is straight, but in the rachitic it exhibits a kyphotic deformity very soon.

  • The rachitic pelvis is well known to the obstetrician for the difficulties it gives rise to during parturition.

  • Rachitic with fear Gud's knees bent beneath him and he sank down in the blackness and shuddered in his soul.

British Dictionary definitions for rachitic


  1. pathol another name for rickets
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Derived Formsrachitic (rəˈkɪtɪk), adjective

Word Origin

C18: New Latin, from Greek rhakitis; see rachis
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

Word Origin and History for rachitic


1797, from rachitis (1727), medical Latin, from Late Greek rhakhitis (nosos) "rachitic disease, inflammation of the spine," from Greek rhakhis "spine, ridge, rib of a leaf" (see rachio-).

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Online Etymology Dictionary, © 2010 Douglas Harper

rachitic in Medicine


  1. rickets
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Related formsra•chitic (-kĭtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.