exophthalmos

Also ex·oph·thal·mus

[ek-sof-thal-muhs, -mos]

noun

Pathology.

1. protrusion of the eyeball from the orbit, caused by disease, especially hyperthyroidism, or injury.

exophthalmos

/ ˌɛksɒfˈθælmɒs, ˌɛksɒfˈθælmɪə, ˌɛksɒfˈθælməs /

noun

1. Also called: proptosis.  ocular proptosis. abnormal protrusion of the eyeball, as caused by hyperthyroidism

Other Word Forms

• exophthalmic adjective

Word History and Origins

Origin of exophthalmos¹

1870–75; < New Latin < Greek exóphthalmos with prominent eyes, equivalent to ex- ex- ³ + ophthalmós eye; ophthalmic

Word History and Origins

Origin of exophthalmos¹

C19: via New Latin from Greek, from _ex- ¹ + ophthalmos eye