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单词 pterygium
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pte•ryg•i•um  (tə rijē əm),USA pronunciation n., pl. -ryg•i•ums, -ryg•i•a (-rijē ə).USA pronunciation Opthalm.
  1. Ophthalmologyan abnormal triangular mass of thickened conjunctiva extending over the cornea and interfering with vision.
  • Greek pterýgion little wing or fin, equivalent. to pteryg- (stem of ptéryx) wing, fin + -ion diminutive suffix
  • Neo-Latin
  • 1650–60
pte•rygi•al, adj. 

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更新时间:2024/11/11 10:04:09