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[ek-sof-thal-muh s, -mos] /ˌɛk sɒfˈθæl məs, -mɒs/
noun, Pathology.
protrusion of the eyeball from the orbit, caused by disease, especially hyperthyroidism, or injury.
Also, exophthalmus
[ek-sof-thal-muh s] /ˌɛk sɒfˈθæl məs/ (Show IPA),
[ek-sof-thal-mee-uh] /ˌɛk sɒfˈθæl mi ə/ (Show IPA)
Origin of exophthalmos
1870-75; < New Latin < Greek exóphthalmos with prominent eyes, equivalent to ex- ex-3 + ophthalmós eye; see ophthalmic
Related forms
exophthalmic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for exophthalmic
Historical Examples
  • One of my patients, a young girl, had several years before been operated on for exophthalmic goiter.

    Outwitting Our Nerves Josephine A. Jackson and Helen M. Salisbury
  • I know an exophthalmic goiter woman who brought up four children, and very good, healthy children they are.

    Woman William J. Robinson
  • Similarly, it presents at times as one of the accompaniments of exophthalmic goitre.

  • The children, if not affected by exophthalmic goiter, are liable to be very neurotic.

    Woman William J. Robinson
  • The condition is found especially in advanced cases of exophthalmic goitre.

British Dictionary definitions for exophthalmic


abnormal protrusion of the eyeball, as caused by hyperthyroidism Also called proptosis, ocular proptosis
Derived Forms
exophthalmic, adjective
Word Origin
C19: via New Latin from Greek, from ex-1 + ophthalmos eye
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
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exophthalmic in Medicine

exophthalmic ex·oph·thal·mic (ěk'səf-thāl'mĭk)

  1. Of or relating to exophthalmos.

  2. Marked by prominence of the eyeball.

exophthalmos ex·oph·thal·mos (ěk'səf-thāl'məs)
Abnormal protrusion of the eyeball.

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