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noun Anatomy.
the transparent anterior part of the external coat of the eye covering the iris and the pupil and continuous with the sclera.
Origin:
1350–1400; Middle English < Medieval Latin cornea (tēla, later tunica) horny (web or tunic), feminine of corneus corneous
1350–1400; Middle English < Medieval Latin cornea (tēla, later tunica) horny (web or tunic), feminine of corneus corneous
Related forms
cor·ne·al, adjective
mul·ti·cor·ne·al, adjective
pre·cor·ne·al, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Corneas
is always a great word to know.
So is zedonk. Does it mean:
| a gadget; dingus; thingumbob. |
| the offspring of a zebra and a donkey. |
Etymonline
Word Origin & History
cornea
late 14c., from M.L. cornea tela "horny web or sheath," from L. cornu (gen. cornus) "horn" (see horn). So called for its consistency.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
cornea cor·ne·a (kôr'nē-ə)
n.
The transparent, convex, anterior portion of the outer fibrous coat of the eyeball that covers the iris and the pupil and is continuous with the sclera.
cor'ne·al adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
cornea  (kôr'nē-ə) Pronunciation Key
The tough transparent membrane of the outer layer of the eyeball that covers the iris and the pupil. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
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