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pterygium

American  
[tuh-rij-ee-uhm] / təˈrɪdʒ i əm /

noun

Ophthalmology.
pterygiums, plural pterygia plural
  1. an abnormal triangular mass of thickened conjunctiva extending over the cornea and interfering with vision.


Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of pterygium

1650–60; < New Latin < Greek pterýgion little wing or fin, equivalent to pteryg- (stem of ptéryx ) wing, fin + -ion diminutive suffix

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Salome is explaining a traditional cure for pterygium, an eye affliction common to the tropics in which vision gradually becomes obscured as a layer of tissue encroaches over the cornea.

From Time Magazine Archive

Connected with diseases of the eye, pterygium is common; not only single, but double, triple, and even quadruple are occasionally met with.

From Samoa, A Hundred Years Ago And Long Before by Turner, George

In some cases, however, it has been found that after removal of a large pterygium, a retraction of the caruncle and the semilunar fold is apt to take place, which renders the eyeball unpleasantly prominent.

From A Manual of the Operations of Surgery For the Use of Senior Students, House Surgeons, and Junior Practitioners by Bell, Joseph

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