The circular, colored curtain of the eye. The opening of the iris forms the pupil. The iris helps regulate the amount of light that enters the eye.

The colored tissue at the front of the eye that contains the pupil in the center. The iris helps control the size of the pupil to let more or less light into the eye.

See Aperture.

The colored layer around the pupil

late 14c. as the name of a flowering plant (Iris germanica); early 15c. in reference to the eye membrane, from Latin iris (plural irides) "iris of the eye; iris plant; rainbow," from Greek i [..]

Short for "Integrated Risk Information System"; see "U.S. Environmental Protection Agency".

the contractile, circular diaphragm forming the colored portion of the eye and containing a circular opening, the pupil, in its center.

see Diaphragm

(or irising) an earlier cinematographic technique or wipe effect, in the form of an expanding or diminishing circle, in which a part of the screen is blacked out so that only a portion of the image ca [..]

(i´ris) The pigmented portion of the vascular tunic of the eye that surrounds the pupil and regulates its diameter. ischemia

On a digital camera iris is an adjustable aperture used to control the amount of light coming through the lens. The more the iris is opened, the more light it lets in and the brighter the scene will b [..]

Like the iris of the eye, a valve within a lens to control the amount of light that passes through. Opening the iris permits more light to pass through the lens and closing the iris less. The degree t [..]

This is the part of the eye that gives you those beautiful blue (or whatever color) eyes that you have. Specifically it is a ring of muscle tissue that not only forms the colored portion of the eye ar [..]

The round, colored membrane of the eye surrounding the pupil, which serves to control the amount of light reaching the retina.

A variable aperture that controls exposure or the amount of light which is released from a lighting unit. (Camera/Lighting)

Pigmented tissue lying behind the cornea that gives color to the eye (e.g., blue eyes) and controls amount of light entering the eye by varying the size of the pupillary opening.

The circular structure of the eye that provides an opening to form the pupil. See Figure 10.1.

A muscular diaphragm that controls the size of the pupil which in turn controls the amount of light that enters the eye. The iris forms the coloured portion of the eye.

Brand name for high-quality ink-jet

IRIS is a catalogue of generally-accepted performance metrics that impact investors use to measure social, environmental, and financial success, evaluate deals, and improve the credibility of the impact investing industry. The catalogue is prepared by the Global Impact Investing Network (GIIN), a non-profit organisation dedicated to increasing the [..]

(n) plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals(n) muscular diaphragm that controls the size of the pupil which i [..]

The colored portion of the eye. It's a muscle that controls the amount of light entering the pupil.

The colored ring in front of the lens that controls the size of the pupil and how much light enters the eye.

Integrated Rainbow Information System

The coloured circle surrounding the dark pupil of the eye (19thc)

The campus emergency notification system that allows College Security to quickly communicate with students, faculty, and staff in the event of an urgent situation on campus.

Hey there, bright eyes! Your iris is the colored part of your eye. So if someone has brown eyes, it means that person's irises are brown. The iris is about more than looks, though. Your iris cont [..]

The mechanical device that adjusts to vary the amount of light passing through the lens of a camera.

An adjustable opto-mechanical aperture built into a camera that controls the amount of lights coming through the lens.

The colored membrane surrounding the pupil of the eye.

colored part of the eye, surrounding the darker pupil. It controls the amount of light that enters the eye.

Colored part of eye.

Thin, contractile disc with a central opening (the pupil) in front of the lens in vertebrate eyes

EPA's Integrated Risk Information System, an electronic data base containing the Agency's latest descriptive and quantitative regulatory information on chemical constituents.

EPA's Integrated Risk Information System, an electronic data base containing the Agency's latest descriptive and quantitative regulatory information on chemical constituents.

see TRANSITIONS

A round, moving mask that can close down to end a scene (iris-out) or emphasize a detail, or it can open to begin a scene (iris-in) or to reveal more space around a detail.                     WIPE [..]

A valve within the lens to control the amount of light that passes through. Opening the iris permits more light through, closing the iris permits less. The degree to which the iris is opened is measur [..]

The section of the lens adjusted to control how much light passes through it and onto the CCD chip is called an iris.

The circular aperture that controls the amount of light passing through to the camera's sensing element.

The adjustable aperture opening incorporated into the lens barrel. With the Kinoflex in the automatic seeing, the opening becomes smaller under greater light. By contrast, it opens to let more light in low light conditions. The iris is calibrated in f-stops. (See aperture)

The iris is the mechanism within the camera lens that allows it control the size of the aperture, which allows light to pass through to the image sensor. The iris in a lens can be controlled manually [..]

An adjustable aperture built into a camera lens to permit control of the amount of light passing through the lens.

A mechanical diaphragm which can be controlled manually or automatically to adjust the lens aperture. L

An adjustable aperture built into a camera lens to permit control of the amount of light passing through the lens.

A mechanical diaphragm which can be controlled manually or automatically to adjust the lens aperture.

Adjusts the brightness of the image

Shutter controlling the amount of light entering a camera. An iris can be a fixed or auto-iris type i.e. responds to changing light levels automatically. Images

The lens “iris” is a mechanical device for controlling the lens aperture (lens opening). A lens may be fixed, manual controlled and/or voltage controlled.

The iris is a means of controlling the size of a lens aperture and therefore the amount of light passing through the lens.

Strictly, iris diaphragm. Device consisting of thin overlapping metal leaves pivoting outwards to form a circular opening of variable size to control light transmission through a lens. ISO Speed

A technique used to show an image in only one small round area of the screen. An Iris-Out begins as a pinpoint and then moves outward to reveal the full scene, while an Iris-In moves inward from all sides to leave only a small image on the screen. An iris can be either a transitional device (using the image held as a point of transition) or a way o [..]

The iris (on some lenses) controls how much light is let into the camera lens.

The most anterior portion of the uveal layer, separating the Anterior Chamber from the posterior. It consists of two layers - the stroma and the pigmented Epithelium. Color of the iris depends on the [..]

The most anterior portion of the uveal layer, separating the anterior chamber from the posterior. It consists of two layers - the stroma and the pigmented epithelium. Color of the iris depends on the [..]

The colored membrane surrounding the pupil of the eye.

The muscular diaphragm in the eye that controls the size of (and therefore the amount of light passing through) the pupil.

The colored portion of the eye is called the iris. As with humans, dogs' iris colors vary. In the center of the iris is the black opening called the pupil. This opening can be made larger or smal [..]

 A circular diaphragm that contains the muscles which alter the amount of light that enters the eye by dilating or constricting the pupil. It has an opening in its center. 

An adjustable aperture built into a camera lens to permit control of the amount of light passing through the lens.

The colored tissue at the front of the eye that contains the pupil in the center. The iris helps control the size of the pupil to let more or less light into the eye.

Incident Report Investigation Scheme

(Greek Ιρις, literally "rainbow"; also "messenger") Virgin goddess and messenger of the Olympian gods.

"Incorporated Research Institutions for Seismology"; currently responsible for the USArray component of EarthScope; see more at IRIS website

A risk assessment reference website hosted by the US EPA: http://cfpub.epa.gov/ncea/iris/ .

Delicate blooms bring the essence of springtime.

Impact Reporting and Investment Standards. A set of standardized metrics that can be used to describe an organization’s social, environmental and financial performance. Like financial accounting stand [..]

The coloured part of the eye. The iris is partly responsible for regulating the amount of light permitted to enter the eye.

A metal plate with an opening through which electromagnetic waves may pass. Used as an impedance-matching device in waveguides. [Waveguide Manufacturers]

(botany) A plant of the genus ''Iris'', common in the northern hemisphere, and generally having attractive blooms (See(proper name) *To open or close in the manner of an iris. ----

Iridoideae|subfamily|noshow=1'' - subfamily; ''Irideae|tribe|noshow=1'' - tribe

Iris is a genus of 260–300 species of flowering plants with showy flowers. It takes its name from the Greek word for a rainbow, which is also the name for the Greek goddess of the rainbow, Iris. Some [..]

In Greek mythology, Iris (; Greek: Ίρις Ancient Greek: [îːris]) is the personification and goddess of the rainbow and messenger of the gods.

In humans and most mammals and birds, the iris (plural: irides or irises) is a thin, annular structure in the eye, responsible for controlling the diameter and size of the pupil and thus the amount of [..]

Iris often refers to: Iris (anatomy), part of the eye Iris (color), an ambiguous color term, usually referring to shades ranging from blue-violet to violet Iris (insect), a genus of praying mantis Ir [..]

Iris is a genus of 260–300 species of flowering plants with showy flowers. It takes its name from the Greek word for a rainbow, which is also the name for the Greek goddess of the rainbow, Iris. Some [..]

In Greek mythology, Iris (; Greek: Ίρις Ancient Greek: [îːris]) is the personification and goddess of the rainbow and messenger of the gods.

In humans and most mammals and birds, the iris (plural: irides or irises) is a thin, annular structure in the eye, responsible for controlling the diameter and size of the pupil and thus the amount of [..]

Iris is a 2001 biographical drama film about novelist Iris Murdoch and her relationship with her husband John Bayley. Directed by Richard Eyre from a screenplay he co-wrote with Charles Wood, the film [..]

Iris is an American synthpop band, formed by Reagan Jones and Mat Morris in 1993. After the release of their first album Disconnect, Matthew Morris was replaced with Andrew Sega, who pushed the band's [..]

"Iris" is a song by American alternative rock band Goo Goo Dolls. Originally written for the soundtrack of the 1998 film City of Angels, the song was later included on the band's sixth album, Dizzy Up [..]

Iris (Italian: [ˈiːris]) is an opera in three acts by Pietro Mascagni to an original Italian libretto by Luigi Illica. It premiered on 22 November 1898 at the Teatro Costanzi in Rome. The story is se [..]

Iris is a Romanian rock band established in 1975 by Ioan 'Nelu' Dumitrescu (drums), Ion 'Nuțu' Olteanu (lead solo guitar and vocals) and Emil Lechințeanu (bass guitar). They achieved success, followed [..]

Iris is an ambiguous color term, usually referring to shades ranging from blue-violet to violet. However, in certain applications, it has been applied to an even wider array of colors, including pa [..]

Iris is Miranda Sex Garden's second release, and first EP. Following 1991's debut album Madra, which consisted entirely of a cappella renditions of English madrigals, the band introduced rock instrume [..]

Iris (also known as Iris I) is the first album by Romanian hard-rock group Iris and the first heavy-metal disc in Romania. This album is considered one of the best of Romanian rock and it is a milesto [..]

IRIS (2-methoxy-5-ethoxy-4-methylamphetamine) is a lesser-known psychedelic drug and a substituted amphetamine. It is also the 5-ethoxy analog of DOM. IRIS was first synthesized by Alexander Shulgin. [..]

Iris (from Greek Ἶρις Ancient Greek: [îːris], the messenger of the gods among themselves and the personification of ἶρις, the "rainbow") is a feminine name. It was the 221st most popular name given to [..]

Iris is a genus of praying mantis found in Africa, Asia, and Southern Europe with one species, Iris oratoria, being introduced to North America in the Southwestern United States.Species: Iris coeca I [..]

Iris is an Italian free entertainment television channel, launched on November 30, 2007 and produced by Mediaset. It is broadcast in Italy on DTT channel 22 on mux Mediaset 4 . Broadcast films, TV ser [..]

IRIS is a family of ECM equipment developed by Estonian Defence Forces for purposes of interfering with remotely controlled explosive devices. In June 2009, the technology, manufactured by E-Arsenal, [..]

Iris is an American synthpop band, formed by Reagan Jones and Mat Morris in 1993. After the release of their first album Disconnect, Matthew Morris was replaced with Andrew Sega, who pushed the band's [..]

Iris is an American synthpop band, formed by Reagan Jones and Mat Morris in 1993. After the release of their first album Disconnect, Matthew Morris was replaced with Andrew Sega, who pushed the band's [..]

IRIS is an image processing software for astrophotography. IRIS is free for non-commercial usage.

Iris (Korean: 아이리스; RR: Airiseu) is a 2009 South Korean espionage television drama series, starring Lee Byung-hun, Kim Tae-hee, Jung Joon-ho, Kim Seung-woo, Kim So-yeon and T.O.P (Choi Seung-hyun) of [..]

IRIS (Intelligent Roadway Information System) is an open-source Advanced Traffic Management System (ATMS) software project developed by the Minnesota Department of Transportation. It is used by transp [..]

Iris was a resident Cirque du Soleil show based in Los Angeles, California. It premiered on September 25, 2011, after preview performances which began on July 21, 2011. The cost for production of the [..]

Interferometric reflectance imaging sensor (IRIS), formerly known as the spectral reflectance imaging biosensor (SRIB), is a system that can be used as a biosensing platform capable of high-throughput [..]

Laura van den Bruel, known as Iris or Airis (born 19 January 1995) is a Belgian singer.

Iris was a schooner launched at Port Huron, Michigan, in 1866. She spent 47 years sailing the Great Lakes; for most of this time she was based out of Detroit Harbor, Wisconsin. In 1913 she sank in Lak [..]

Iris is a genus of 260–300 species of flowering plants with showy flowers. It takes its name from the Greek word for a rainbow, which is also the name for the Greek goddess of the rainbow, Iris. Some [..]

The Iris is an express train that links Brussels Midi/Zuid in Brussels, Belgium, with Chur station in Chur, Switzerland. Introduced in 1974, the train is operated by the National Railway Company of Be [..]

Iris is a 1987 Netherlands film directed by Mady Saks and starring Monique van de Ven.

Iris (stylized as i☆Ris) is a Japanese voice acting and singing female idol group, formed in 2012 by Avex. It consists of six members: Saki Yamakita, Yū Serizawa, Himika Akaneya, Yūki Wakai, Miyu Kubo [..]

Iris was a British car brand that was manufactured from 1906-1925 by Legros & Knowles Ltd in Willesden, London and Aylesbury, Buckinghamshire.

Iris is a 1901 play by the British writer Arthur Wing Pinero.

Iris is a 1916 British silent romance film directed by Cecil M. Hepworth and starring Henry Ainley, Alma Taylor and Stewart Rome. It is based on the 1901 play Iris by Arthur Wing Pinero.

Iris often refers to: Iris (anatomy), part of the eye Iris (color), an ambiguous color term, usually referring to shades ranging from blue-violet to violet Iris (insect), a genus of praying mantis Ir [..]

Iris (English: In the Shadow of Iris) is a 2016 French erotic thriller drama film co-written and directed by Jalil Lespert and starring Romain Duris, Charlotte Le Bon and Lespert himself. It is a loos [..]

Means "rainbow" in Greek. Iris was the name of the Greek goddess of the rainbow, also serving as a messenger to the gods. This name can also be given in reference to the word (which [..]