retinitis

noun
ret·​i·​ni·​tis | \ ˌre-tə-ˈnī-təs How to pronounce retinitis (audio) \

Definition of retinitis

: inflammation of the retina

Examples of retinitis in a Sentence

Recent Examples on the Web Chaudhri suffers from retinitis pigmentosa, which causes degeneration of the retina. Steve Reaven, chicagotribune.com, 7 Aug. 2017 The Argus II, a bionic retina approved by the Food and Drug Administration, is now being used by more than 100 people with retinitis pigmentosa and other related conditions. Candy Sagon, charlotteobserver, 9 June 2017 Andrei was afflicted with a retinal degenerative disease known as retinitis pigmentosa, which can cause vision impairment or vision loss. Bryce Alderton, Daily Pilot, 20 June 2017 The two most common kinds of retina disorders are retinitis pigmentosa and macular degeneration, which together affect about more than 20 million Americans. Ben Panko, Smithsonian, 11 Jan. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'retinitis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of retinitis

1821, in the meaning defined above

History and Etymology for retinitis

New Latin

Learn More About retinitis

Time Traveler for retinitis

Time Traveler

The first known use of retinitis was in 1821

See more words from the same year

Dictionary Entries Near retinitis

retinite

retinitis

retinitis pigmentosa

See More Nearby Entries 

Statistics for retinitis

Cite this Entry

“Retinitis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/retinitis. Accessed 7 Jul. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for retinitis

retinitis

noun
ret·​i·​ni·​tis | \ ˌret-ᵊn-ˈīt-əs How to pronounce retinitis (audio) \
plural retinitides\ -​ˈit-​ə-​ˌdēz How to pronounce retinitis (audio) \

Medical Definition of retinitis

: inflammation of the retina

WORD OF THE DAY

Test Your Vocabulary

Which Word Does Not Belong?

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!