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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

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Historical Examples of rachitic

British Dictionary definitions for rachitic


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

Word Origin for rachitis

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-).

Online Etymology Dictionary, © 2010 Douglas Harper

rachitic in Medicine


  1. rickets
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.