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 (ī′rĭ-dēz′, ĭr′ĭ-)
A plural of iris.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈaɪ rɪs)

n., pl. i•ris•es; esp. for 1,8 ir•i•des (ˈɪr ɪˌdiz, ˈaɪ rɪ-) for 2,3 i•ris; n.
1. the contractile, circular diaphragm forming the colored portion of the eye and containing an opening, the pupil, in its center.
2. any plant of the genus Iris, having flowers with three upright petals and three drooping, petallike sepals.
3. a flower of this plant.
4. (cap.) an ancient Greek goddess of the rainbow and messenger of the gods.
5. a rainbow.
[1350–1400; Middle English < Latin Īris, īris < Greek Îris, îris rainbow]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
This mentioned patient had a dark brown residual iris, implicating eventually a higher risk for pigmented dispersion in patients with dark irides. We were not able to differentiate the cause for IOP decompensation in the other patients (decompensated glaucoma versus artificial iris implantation).
Patients present with congenital sensorineural deafness, heterochromic irides, skin and hair hypopigmentation and various eye abnormalities.2 We report a series of four patients having specific features of this syndrome.
The City of Kawasaki and Fujitsu signed a framework agreement aimed at promoting a sustainable community(1) in fiscal 2014, and this technology study is a part of those efforts, in collaboration with the Earthquake Research Institute and IRIDeS. In the future, the four organizations will also extend the results of this study from the coastal areas near Kawasaki to other regions, such as areas bordering the Nankai Trough, with the goal of contributing to the creation of sustainable communities that stand up well to disasters.
This situation can be observed in patients with albinism, who have white skin and hair, as well as red irides (colored only by blood in the iris capillaries).
Different transillumination property in Chinese and white irides. J Glaucoma 2012;21:107-11.
Each bird was sexed by dissection and aged as after second year (ASY), noting that each bird had white irides, a characteristic associated with most Cassin's Auklets of this age class (Manuwal 1978; Emslie and others 1990; Pyle 2008).
Biometrics include authentication of individuals by evaluating one or more unique biological traits such as voice, hand geometry, gait, fingerprints, facial features, irides, and veins.
525 _Saint irides Drive, Longboat Key, (941) 383-0777;