cornea
noun
cor·nea
| \ ˈkȯr-nē-ə
\
\
Definition of cornea
: the transparent part of the coat of the eyeball that covers the iris and pupil and admits light to the interior — see eye illustration
Keep scrolling for more
Other Words from cornea
corneal
\ ˈkȯr-nē-əl
\
adjective
\
adjective
Examples of cornea in a Sentence
Recent Examples on the Web
The eye model, shown in the GIF above, uses cells from a human cornea (dyed yellow) and conjunctiva (dyed red), two of the eye’s outermost layers. — Scientific American, "Ballistic Maggots, Synthetic Winks and Why You’re Not Goop: This Week’s Best Science GIFs," 9 Aug. 2019 Warren Pope is hellbent on walloping the corneas of any Seattleite who believes this city is absolved from a racist past. — Marcus Harrison Green, The Seattle Times, "See how a Seattle artist is telling the painful story of redlining in his city," 8 Aug. 2019 Additional patients who need tissue donations such as corneas are not included in that number, explained Newman. — Susan Scutti, CNN, "North Carolina dad who died in freak beach accident will donate his organs, parents say," 22 July 2019 An international tribunal investigation released last month found that thousands of them have been killed so their kidneys, livers, hearts, lungs, corneas and skin could be used for transplants. — Laura Hancock, cleveland.com, "DeWine vetoes health care price ‘transparency’ items in budget: Capitol Letter," 19 July 2019 In addition to skin lesions, dolphins can suffer from abnormal blood chemistry, swelling of the cornea and even death if they are exposed to low salinity water for an extended period of time. — N'dea Yancey-bragg, USA TODAY, "More than 260 dolphins found stranded along the Gulf Coast since February. Scientists aren't sure why.," 16 June 2019 Acanthamoeba keratitis occurs when the amoeba makes its way onto a person's cornea. — NBC News, "Woman nearly loses sight in one eye after wearing contacts in shower and pool," 17 July 2019 The American Academy of Ophthalmology lists risks that include: trauma to or infection of the eyelid or cornea; allergic reaction to the glue; and permanent or temporary loss of eyelashes. — Beth Teitell, BostonGlobe.com, "When it comes to eyelash extensions, the demand is unreal," 3 July 2019 The most expensive organs were supposedly livers at $150,000, followed by a set of heart and lungs at $125,000; pancreases at $90,000; kidneys at $65,000; and corneas at $2,500. — Rachel Nolan, Harper's magazine, "Destined for Export," 10 June 2019These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cornea.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Keep scrolling for more
Keep scrolling for more
More Definitions for cornea
cornea
noun
English Language Learners Definition of cornea
technical
: the clear outer covering of the eyeball
See the full definition for cornea in the English Language Learners Dictionary
cornea
noun
cor·nea
| \ ˈkȯr-nē-ə
\
\
Kids Definition of cornea
: the transparent outer layer of the front of the eye covering the pupil and iris
cornea
noun
cor·nea
| \ ˈkȯr-nē-ə
\
\
Medical Definition of cornea
: the transparent part of the coat of the eyeball that covers the iris and pupil and admits light to the interior
Other Words from cornea
corneal
\ -əl
\
adjective
\
adjective
Keep scrolling for more