scotoma

noun

sco·​to·​ma skə-ˈtō-mə How to pronounce scotoma (audio)
plural scotomas or scotomata skə-ˈtō-mə-tə How to pronounce scotoma (audio)
: a spot in the visual field in which vision is absent or deficient

Examples of scotoma in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Symptoms may be mild and temporary, or leave some viewers with blind spots called scotomas. Bruce Henderson, charlotteobserver, 12 July 2017

Word History

Etymology

New Latin, from Medieval Latin, dimness of vision, from Greek skotōmat-, skotōma, from skotoun to darken, from skotos

First Known Use

1822, in the meaning defined above

Time Traveler
The first known use of scotoma was in 1822

Dictionary Entries Near scotoma

Cite this Entry

“Scotoma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/scotoma. Accessed 28 Nov. 2024.

Medical Definition

scotoma

noun
sco·​to·​ma skə-ˈtō-mə How to pronounce scotoma (audio)
plural scotomas or scotomata -mət-ə How to pronounce scotoma (audio)
: a spot in the visual field in which vision is absent or deficient

More from Merriam-Webster on scotoma

Love words? Need even more definitions?

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