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单词 cornea
释义

WordReference Random House Learner's Dictionary of American English © 2024
cor•ne•a /ˈkɔrniə/USA pronunciation   n. [countable], pl. -ne•as. 
  1. Anatomythe clear, front, curved part of the outer coat of the eye.
cor•ne•al, adj.: a corneal transplant.

WordReference Random House Unabridged Dictionary of American English © 2024
cor•ne•a  (kôrnē ə),USA pronunciation n. [Anat.]
  1. Anatomythe transparent anterior part of the external coat of the eye covering the iris and the pupil and continuous with the sclera. See diag. under eye. 
  • Medieval Latin cornea (tēla, later tunica) horny (web or tunic), feminine of corneus corneous
  • Middle English 1350–1400
corne•al, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
cornea /ˈkɔːnɪə/ n ( pl -neas / -nɪəz/, -neae / -nɪˌiː/)
  1. the convex transparent membrane that forms the anterior covering of the eyeball and is continuous with the sclera
Etymology: 14th Century: from Medieval Latin cornea tēla horny web, from Latin cornū horn

ˈcorneal adj
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