iris
14 dictionary results for: iris
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
i·ris 
[ahy-ris] Pronunciation Key noun, plural i·ris·es, ir·i·des
[ir-i-deez, ahy-ri-] Pronunciation Key, verb
[ahy-ris] Pronunciation Key noun, plural i·ris·es, ir·i·des
[ir-i-deez, ahy-ri-] Pronunciation Key, verb –noun
–verb (used without object)
| 1. | Anatomy. the contractile, circular diaphragm forming the colored portion of the eye and containing a circular opening, the pupil, in its center. |
| 2. | Botany. any plant of the genus Iris, having showy flowers and sword-shaped leaves. Compare iris family. |
| 3. | a flower of this plant. |
| 4. | (initial capital letter) Classical Mythology. a messenger of the gods, regarded as the goddess of the rainbow. |
| 5. | a rainbow. |
| 6. | any appearance resembling a rainbow. |
| 7. | Movies, Television. an iris-in or iris-out. |
| 8. | Optics, Photography. iris diaphragm. |
| 9. | Movies. to begin or end a take or scene with an iris-in or iris-out, achieved by manipulation of an iris diaphragm on the camera or by editing the film. |
[Origin: 1350–1400; ME < L Īris, īris < Gk Îris, ǐris rainbow, goddess of the rainbow, halo, iris flower or root, iridescent crystal; in some senses < NL < Gk: diaphragm of eye]
]
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
American Heritage Dictionary - Cite This Source - Share This
| i·ris
(ī'rĭs) Pronunciation Key
n. pl. i·ris·es or i·ri·des (ī'rĭ-dēz', ĭr'ĭ-)
[Middle English, iris (the plant), from Latin īris, īrid-, rainbow, iris (the plant), from Greek, rainbow, brightly-colored gemstone, iris of the eye; see wei- in Indo-European roots.] |
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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
American Heritage Dictionary - Cite This Source - Share This
| I·ris
(ī'rĭs) Pronunciation Key
n. Greek Mythology The goddess of the rainbow and messenger of the gods. [Latin Īris, from Greek, from īris, rainbow; see wei- in Indo-European roots.] |
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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Online Etymology Dictionary - Cite This Source - Share This
iris
iris
1387, "prismatic rock crystal," from L. iris (pl. irides) "iris of the eye, iris plant, rainbow," from Gk. iris (gen. iridos) "a lily, iris of the eye," originally "messenger of the gods," personified as the rainbow. The eye region was so called (1525 in Eng.) for being the colored part.
Online Etymology Dictionary, © 2001 Douglas Harper
WordNet - Cite This Source - Share This
| iris | |
noun | |
| 1. | plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals |
| 2. | muscular diaphragm that controls the size of the pupil which in turn controls the amount of light that enters the eye; it forms the colored portion of the eye |
| 3. | diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening |
WordNet® 3.0, © 2006 by Princeton University.
The American Heritage Science Dictionary - Cite This Source - Share This
| iris
(ī'rĭs) Pronunciation Key
Plural irises or irides (ī'rĭ-dēz', ĭr'ĭ-)
The colored, muscular ring around the pupil of the eye in vertebrate animals, located between the cornea and lens. Contraction and expansion of the iris controls the size of the pupil, thereby regulating the amount of light reaching the retina.
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The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
American Heritage New Dictionary of Cultural Literacy, Third Edition - Cite This Source - Share This
iris [(eye-ris)]
iris [(eye-ris)]
The colored membrane of the eye, surrounding the pupil, which by contracting and expanding regulates the amount of light that enters the eye.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
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Published by Houghton Mifflin Company. All rights reserved.
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
American Heritage Stedman's Medical Dictionary - Cite This Source - Share This
i'ri·dal (ī'rĭ-dl, ĭr'ĭ-) or i·rid'i·al (ī-rĭd'ē-əl, ĭ-rĭd'-) or i·rid'i·an adj.
iris i·ris (ī'rĭs)
n. pl. i·ris·es or i·ri·des (ī'rĭ-dēz', ĭr'ĭ-)
The round pigmented contractile membrane of the eye that is perforated in the center by the pupil, forms the front part of the vascular tunic, and is attached on the margin to the ciliary body.
i'ri·dal (ī'rĭ-dl, ĭr'ĭ-) or i·rid'i·al (ī-rĭd'ē-əl, ĭ-rĭd'-) or i·rid'i·an adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Free On-line Dictionary of Computing - Cite This Source - Share This
IRIS body
Institute for Research in Information and Scholarship of Brown University (Providence RI).
(1994-11-04)
The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
Free On-line Dictionary of Computing - Cite This Source - Share This
Iris
An object-oriented DBMS.
(1994-11-04)
The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
Webster's Revised Unabridged Dictionary - Cite This Source - Share This
Iris
I"ris\, n.; pl. E. Irises, L. Irides. [L. iris, iridis, the goddess, Gr. ?, ?, the rainbow, iris of the eye, the plant Iris. Cf. Orris.]1. (Class. Myth.) The goddess of the rainbow, and swift-footed messenger of the gods. --Shak. 2. The rainbow. --Sir T. Browne. 3. An appearance resembling the rainbow; a prismatic play of colors. --Tennyson. 4. (Anat.) The contractile membrane perforated by the pupil, and forming the colored portion of the eye. See Eye. 5. (Bot.) A genus of plants having showy flowers and bulbous or tuberous roots, of which the flower-de-luce (fleur-de-lis), orris, and other species of flag are examples. See Illust. of Flower-de-luce. 6. (Her.) See Fleur-de-lis, 2.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
Webster's Revised Unabridged Dictionary - Cite This Source - Share This
Iris
I"ris\, n. (Zo["o]l.) Inner circle of an oscillated color spot.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
American Heritage Abbreviations Dictionary 3rd Edition - Cite This Source - Share This
| IRIS Integrated Risk Information System |
The American Heritage® Abbreviations Dictionary, Third Edition
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