cornea

[ kawr-nee-uh ]

/ ˈkɔr ni ə /

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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.

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Origin of cornea

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

OTHER WORDS FROM cornea

cor·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. 2022

How to use cornea in a sentence

Because that’s what his opponents really should beware of, the recognition that starts in his corneas and cables to the brain, which in turn sends decoding back to his limbs to do all those far-fetched, breath-snatching things.
Patrick Mahomes has unmatched physical gifts. His intellect might be what sets him apart.|Sally Jenkins|February 5, 2021|Washington Post
Light passes right through the cornea and into a transparent, flexible tissue called the lens.
Explainer: How our eyes make sense of light|Tina Hesman Saey|July 16, 2020|Science News For Students
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|DAILY BEAST
It is then divided as close to the corneal wound as possible.
A System of Operative Surgery, Volume IV (of 4)|Various

(iii) To evacuate the anterior chamber in bad corneal ulceration, especially when associated with hypopyon and tension.
A System of Operative Surgery, Volume IV (of 4)|Various
The actual cautery is best for serpiginous corneal ulcers, carbolic acid being more satisfactory for those of the vesicular type.
A System of Operative Surgery, Volume IV (of 4)|Various
The body and neck should be very carefully separated right up to the corneal margin by means of forceps and scissors.
A System of Operative Surgery, Volume IV (of 4)|Various
(ii) Partial union is effected in cases of paralysis of the first division of the fifth nerve when corneal ulceration threatens.
A System of Operative Surgery, Volume IV (of 4)|Various

British Dictionary definitions for cornea

cornea

/ (ˈkɔːnɪə) /

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 forms of cornea

corneal, 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

Medical definitions for cornea

cornea

[ kôr′nē-ə ]

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.

Other words from cornea

cor′ne•al adj.

Scientific definitions for cornea

cornea

[ kôr′nē-ə ]

The tough transparent membrane of the outer layer of the eyeball that covers the iris and the pupil.

Cultural definitions for cornea

cornea

[ (kawr-nee-uh) ]

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