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proptosis

noun
prop·​to·​sis | \ präp-ˈtō-səs How to pronounce proptosis (audio) , prō-ˈtō- How to pronounce proptosis (audio) \

Definition of proptosis

: forward projection or displacement especially of the eyeball

Examples of proptosis in a Sentence

Recent Examples on the Web

 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

First Known Use of proptosis

1676, in the meaning defined above

History and Etymology for proptosis

New Latin, from Late Latin, falling forward, from Greek proptōsis, from propiptein to fall forward, from pro- forward + piptein to fall — more at pro-, feather

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More Definitions for proptosis

proptosis

noun
pro·​pto·​sis | \ (ˈ)prō-ˈtō-səs How to pronounce proptosis (audio) , präp-ˈtō- How to pronounce proptosis (audio) \
plural proptoses\ -​ˌsēz How to pronounce proptoses (audio) \

Medical Definition of proptosis

: forward projection or displacement especially of the eyeball

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