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proptosis

American  
[prop-toh-sis] / prɒpˈtoʊ sɪs /

noun

Pathology.
  1. the forward displacement of an organ.

  2. exophthalmos.


proptosis British  
/ prɒpˈtəʊsɪs /

noun

  1. pathol the forward displacement of an organ or part, such as the eyeball See also exophthalmos Compare prolapse

"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

Other Word Forms

Etymology

Origin of proptosis

1670–80; < New Latin < Greek próptōsis a fall forward. See pro- 2, ptosis

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

“About 34 percent of the gargoyles have proptosis — you know, bulgy eyes — which goes along with hyperthyroid,” she says with a chuckle.

From Washington Post Jul. 18, 2022

They also may painful eye disorders because of their malformed sockets; pugs, for instance, are particularly prone to ocular proptosis, a condition in which their eyes pop out of their skulls.

From Salon Sep. 26, 2021

No further symptoms were noted, the sense of smell returned, the swelling of the eyelid and proptosis decreased, but the upper lid could not be raised.

From Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre by Makins, George Henry

Intra-orbital bleeding, subconjunctival hæmorrhage with proptosis and ecchymosis of the lids were usually well marked.

From Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre by Makins, George Henry

There was considerable proptosis, œdema and discoloration of the eyelid, and subconjunctival ecchymosis, but the movements of the eyeball could be made and light could be distinguished.

From Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre by Makins, George Henry

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