noun Ophthalmology.

inflammation of the retina.

Origin of retinitis

From New Latin, dating back to 1860–65; see origin at retina, -itis Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Contemporary Examples of retinitis

Historical Examples of retinitis

British Dictionary definitions for retinitis



inflammation of the retina

Word Origin for retinitis

C20: from New Latin, from retina + -itis
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 retinitis

1821, from retina + -itis.

Online Etymology Dictionary, © 2010 Douglas Harper

retinitis in Medicine




Inflammation of the retina.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.