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exophthalmos

[ek-sof-thal-muh s, -mos]
noun Pathology.
  1. protrusion of the eyeball from the orbit, caused by disease, especially hyperthyroidism, or injury.
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Also ex·oph·thal·mus [ek-sof-thal-muh s] /ˌɛk sɒfˈθæl məs/, ex·oph·thal·mi·a [ek-sof-thal-mee-uh] /ˌɛk sɒfˈθæl mi ə/.

Origin of exophthalmos

1870–75; < New Latin < Greek exóphthalmos with prominent eyes, equivalent to ex- ex-3 + ophthalmós eye; see ophthalmic
Related formsex·oph·thal·mic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for exophthalmos

Historical Examples of exophthalmos

  • Exophthalmos may be mentioned again in this connection as a very rare sign of guinea-pig scurvy.

    Scurvy Past and Present

    Alfred Fabian Hess

  • Sub-conjunctival ecchymosis, and some degree of exophthalmos, are almost always present.

British Dictionary definitions for exophthalmos

exophthalmos

exophthalmus (ˌɛksɒfˈθælməs) or exophthalmia (ˌɛksɒfˈθælmɪə)

noun
  1. abnormal protrusion of the eyeball, as caused by hyperthyroidismAlso called: proptosis, ocular proptosis
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Derived Formsexophthalmic, adjective

Word Origin for exophthalmos

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
exophthalmos in Medicine

exophthalmos

(ĕk′səf-thăl′məs)
n.
  1. Abnormal protrusion of the eyeball.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.