#initial-load-header-loader { visibility: hidden!important; } #initial-load-content { visibility: visible!important; } .expandable .expandable-control { display: none!important; } .expandable .expandable-content { display: block!important; visibility: visible!important; max-height: none!important; height: auto!important; }

cornea

[kawr-nee-uh]

|

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 of cornea

1350–1400; Middle English < Medieval Latin cornea (tēla, later tunica) horny (web or tunic), feminine of corneus corneous

Related formscor·ne·al, adjectivemul·ti·cor·ne·al, adjectivepre·cor·ne·al, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for corneal

Contemporary Examples of corneal

These resulted in trips to the ER for burns, corneal abrasions, and the odd amputation.
Fireworks, Lightning, Riding Lawnmowers and Other Summer Menaces
Trevor Butterworth
July 9, 2013

Historical Examples of corneal

The corneal reflex may be abolished, and still the patient may move.
Experiments on Animals
Stephen Paget
It is then divided as close to the corneal wound as possible.
A System of Operative Surgery, Volume IV (of 4)
Various
It could have been a corneal tattoo, but somehow I doubted it.
Modus Vivendi
Gordon Randall Garrett
The epidermic layer gives rise to the corneal lenses, the crystalline cones, and the pigment around the latter.
The Works of Francis Maitland Balfour, Volume III (of 4)
Francis Maitland Balfour
In all simple eyes the corneal lens is formed by a thickening of the cuticle.
The Works of Francis Maitland Balfour, Volume III (of 4)
Francis Maitland Balfour

British Dictionary definitions for corneal

cornea

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

cornea

n.

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

corneal in Medicine

cornea

[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.

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.

corneal in Science

cornea

[kôr′nē-ə]

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.

corneal in Culture

cornea

[(kawr-nee-uh)]

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.