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corneal

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cor⋅ne⋅a

  [kawr-nee-uh]
Use corneal in a Sentence
–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; ME < ML cornea (tēla, later tunica) horny (web or tunic), fem. of corneus corneous

Related forms:
cor⋅ne⋅al, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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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.

[Medieval Latin cornea (tēla), horny (tissue), from Latin corneus, horny, from cornū, horn; see ker-1 in Indo-European roots.]
cor'ne·al (-əl) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Cultural Dictionary

cornea [(kawr-nee-uh)]

The transparent outer covering of the front of the eye that covers the iris and pupil.

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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Word Origin & History

cornea 
1398, 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, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: cor·nea
Pronunciation: 'kor-nE-&
Function: noun
: the transparent part of the coat of the eyeball that covers the iris and pupil andadmits light to the interior —cor·ne·al /-&l/ adjective
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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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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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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