exophthalmos

noun

ex·oph·thal·mos | \ˌek-säf-ˈthal-məs,

-səf-, -säp-\

variants: or less commonly exophthalmus

Definition of exophthalmos

: abnormal protrusion of the eyeball

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Bulging or protruding eyes (proptosis or exophthalmos) can be a sign of Graves disease, a disorder causing overactivity of the thyroid gland (hyperthyroidism). — Claire Gillespie, SELF, "5 Reasons to Get Your Eyes Checked That Have Nothing to Do With Your Vision," 19 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'exophthalmos.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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ex opere operato

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The first known use of exophthalmos was in 1872

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More Definitions for exophthalmos

exophthalmos

noun

ex·oph·thal·mos

variants: also exophthalmus \ˌek-säf-ˈthal-məs, -səf-

\

Medical Definition of exophthalmos

: abnormal protrusion of the eyeball

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