Iris

Word IRIS
Character 4
Hyphenation i ris
Pronunciations /ˈaɪɹɪs/

Definitions and meanings of "Iris"

What do we mean by iris?

The pigmented, round, contractile membrane of the eye, suspended between the cornea and lens and perforated by the pupil. It regulates the amount of light entering the eye. noun

Any of numerous widely cultivated plants of the genus Iris, having narrow sword-shaped leaves and showy, variously colored flowers. noun

A rainbow or rainbowlike display of colors. noun

An iris diaphragm. noun

The rainbow. noun

capitalized In classical mythology, the goddess of the rainbow and messenger of the gods, attached especially to Hera. noun

capitalized The seventh planetoid, discovered by Hind at London in 1847. noun

An appearance resembling a rainbow; an appearance of the hues of a rainbow, as seen in sunlit spray, the spectrum of sunlight, etc.; any iridescence. noun

A precious stone. noun

In anatomy, a contraetile colored curtain suspended vertically in the aqueous humor of the eye, between the cornea and the lens, separating the anterior and posterior chambers, which intercommunicate through the pupil. noun

In entomology, the first or inner ring of an ocellated spot, adjoining the pupil, being a light-colored circle with a dark center and outer border. noun

capitalized NL. (Linnæus). A genus of monocotyledonous plants of the natural order Irideæ, tribe Moræeæ, having the perianth 6-parted, the 3 outer divisions spreading or reflexed, and the 3 inner smaller and erect. noun

A plant of the genus Iris. noun

The root of a species of iris cultivated in India and sold in the bazaars of Calcutta to be used, like the Florentine orris-root, in perfumery and medicine. noun

The iridescence in fractured pieces of rock-crystal. noun

The goddess of the rainbow, and swift-footed messenger of the gods. noun

The rainbow. noun

An appearance resembling the rainbow; a prismatic play of colors. noun

The contractile membrane perforated by the pupil, and forming the colored portion of the eye. See Eye. noun

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. noun

A plant of the genus Iris, common in the northern hemisphere, and generally having attractive blooms (See Iris (plant)).

The contractile membrane perforated by the pupil, which adjusts to control the amount of light reaching the retina, and which forms the colored portion of the eye (See Iris (anatomy)).

A diaphragm used to regulate the size of a hole, especially as a way of controlling the amount of light reaching a lens.

A rainbow, or other colourful refraction of light.

A constricted opening in the path inside a waveguide, used to form a resonator.

The inner circle of an oscillated color spot.

Synonyms and Antonyms for Iris

The word "iris" in example sentences

The name iris, meaning a deified rainbow, which was given this group of plants by the ancients, shows a fine appreciation of their superb coloring, their ethereal texture, and the evanescent beauty of the blossom. ❋ Neltje Blanchan (1891)

The different colors found among individuals in this portion of the eye give it the name iris ( "rainbow" G). ❋ Asimov, Isaac (1963)

Semi’s iris is Japanese, it must be Siberian then, someone else thought so too. ❋ Unknown (2009)

As well as iris, which is the main baby powder component. ❋ Unknown (2009)

Other shots show it blooming with iris, which is exactly what is happening here. ❋ Unknown (2009)

The iris is the official Tennessee state cultivated flower. ❋ Unknown (2009)

The iris, which is less prominent on me than violet, smells raw and silvery think a hint of Iris Silver Mist, and its ethereal airiness provides a beautiful contrast to the earthly robustness of the violet. ❋ Marina Geigert (2008)

The rim of the iris was a deep emerald; spikes of that color stabbed toward the pupils. ❋ Unknown (2005)

The iris, which is controlled by an array of muscles, regulates the amount of light entering based on feedback from the retina. ❋ GERALD L. SCHROEDER (2001)

If there is no iris in the eye it is impossible to control the inlet of light - the iris is an analogue to the aperture of the camera. ❋ Unknown (1995)

The iris is a circular diaphragm behind the cornea, and presents near its center a rounded aperture, the pupil. ❋ Unknown (1918)

Care must be taken on entering the knife, on the one hand, not to wound the iris, which is sometimes arched forwards in the cases of commencing glaucoma, and, on the other, fairly to enter the anterior chamber, not merely split up the layers of the cornea. ❋ Joseph Bell (1874)

In the membrane of the eye called the iris these two last-mentioned muscles are combined with beautiful effect. ❋ 1823-1886 (1855)

The Mobile Offender Recognition and Information System, or MORIS, does not save the photo, but it keeps it just long enough to determine whether the suspect's iris, which is more unique than a fingerprint, matches any in a national database of people who have been arrested before. ❋ Unknown (2011)

To the same part of the choroid coat, where the ciliary ligament begins, is fixed a moveable and curious membrane, called the iris; this membrane has a perforation in the middle, called the pupil, for the admission of the rays of light. ❋ Thomas Garnett (1784)

Thge varied colors of the iris are a result of the amounts of eumelanin ansd pheomelanin produced by the melanocytes. ❋ Janell.ross (2010)

Iris-The iris is a colored, circular muscle that controls the size of the pupil. ❋ Janell.ross (2010)

And the iris is the part of the eye we refer to when describing eye color, except for "red eyes," "pinkeye," "black eyes" and "Don't fire until you see the whites of their eyes." ❋ Unknown (2010)

Cross Reference for Iris

What does iris mean?

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