[ kawr-nee-uh ]
/ ˈkɔr ni ə /
the transparent anterior part of the external coat of the eye covering the iris and the pupil and continuous with the sclera.
, corncob pipe
, corneal astigmatism
, corneal corpuscle
, corneal graft
, corneal layer
Origin of cornea
1350–1400; Middle English
< Medieval Latin cornea
) horny (web or tunic), feminine of corneus corneous
Related formscor·ne·al, adjectivemul·ti·cor·ne·al, adjectivepre·cor·ne·al, adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for corneal
These resulted in trips to the ER for burns, corneal abrasions, and the odd amputation.
It could have been a corneal tattoo, but somehow I doubted it.
The epidermic layer gives rise to the corneal lenses, the crystalline cones, and the pigment around the latter.
In all simple eyes the corneal lens is formed by a thickening of the cuticle.
British Dictionary definitions for corneal
noun plural -neas (-nɪəz) or -neae (-nɪˌiː)
the convex transparent membrane that forms the anterior covering of the eyeball and is continuous with the sclera
Derived Formscorneal, adjective
Word Origin for cornea
C14: from Medieval Latin cornea tēla horny web, from Latin cornū horn
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for corneal
late 14c., from Medieval Latin cornea tela "horny web or sheath," from Latin cornu (genitive cornus) "horn" (see horn (n.)). So called for its consistency. Related: Corneal.
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for corneal
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.
Related formscor′ne•al adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for corneal
The tough transparent membrane of the outer layer of the eyeball that covers the iris and the pupil.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Culture definitions for corneal
The transparent outer covering of the front of the eye that covers the iris and pupil.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.