from The American Heritage® Dictionary of the English Language, 4th Edition
- n. 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.
- n. Any of numerous plants of the genus Iris, having narrow sword-shaped leaves and showy, variously colored flowers.
- n. A rainbow or rainbowlike display of colors.
- n. An iris diaphragm.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A plant of the genus Iris, common in the northern hemisphere, and generally having attractive blooms (Wikipedia).
- n. 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 (Wikipedia).
- n. A diaphragm used to regulate the size of a hole, especially as a way of controlling the amount of light reaching a lens.
- n. A rainbow, or other colourful refraction of light.
- n. A constricted opening in the path inside a waveguide, used to form a resonator.
- v. To open or close in the manner of an iris.
from the GNU version of the Collaborative International Dictionary of English
- n. The goddess of the rainbow, and swift-footed messenger of the gods.
- n. The rainbow.
- n. An appearance resembling the rainbow; a prismatic play of colors.
- n. The contractile membrane perforated by the pupil, and forming the colored portion of the eye. See Eye.
- n. 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.
- n. See Fleur-de-lis, 2.
- n. the inner circle of an oscillated color spot.
- n. same as iris diaphragm.
from The Century Dictionary and Cyclopedia
- n. The rainbow.
- n. [capitalized] In classical mythology, the goddess of the rainbow and messenger of the gods, attached especially to Hera.
- n. [capitalized] The seventh planetoid, discovered by Hind at London in 1847.
- n. 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.
- n. A precious stone.
- n. 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.
- n. 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.
- n. [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.
- n. A plant of the genus Iris.
- n. 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.
- n. The iridescence in fractured pieces of rock-crystal.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals
- n. diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening
- n. 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
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.
The different colors found among individuals in this portion of the eye give it the name iris ( "rainbow" G).
Semi’s iris is Japanese, it must be Siberian then, someone else thought so too.
As well as iris, which is the main baby powder component.
Other shots show it blooming with iris, which is exactly what is happening here.
The iris is the official Tennessee state cultivated flower.
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.
The rim of the iris was a deep emerald; spikes of that color stabbed toward the pupils.
The iris, which is controlled by an array of muscles, regulates the amount of light entering based on feedback from the retina.
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.