Iris

I·ris  (rs)

n. Greek Mythology

The goddess of the rainbow and messenger of the gods.

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[Latin ris, from Greek, from ris, rainbow; see wei- in Indo-European roots.]

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i·ris  (rs)

n. pl. i·ris·es or i·ri·des (r-dz, r-)

1. 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.

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

3. A rainbow or rainbowlike display of colors.

4. An iris diaphragm.

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[Middle English, iris (the plant), from Latin ris, rid-, rainbow, iris (the plant), from Greek, rainbow, brightly-colored gemstone, iris of the eye; see wei- in Indo-European roots.]

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iris

Noun

1. the coloured muscular membrane in the eye that surrounds and controls the size of the pupil

2. a tall plant with long pointed leaves and large flowers [Greek: rainbow]

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iris  (rs)

Plural irises or irides (r-dz, r-)

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.

Thesaurus

Noun	1.	iris - plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals fleur-de-lis, sword lily, flag iridaceous plant - any bulbous plant of the family Iridaceae genus Iris - large genus of perennials that develop from bulbs or rhizomes bearded iris - any of numerous wild or cultivated irises with hairlike structures on the falls (the drooping sepals) beardless iris - any of numerous wild or cultivated irises having no hairs on the drooping sepals (the falls) bulbous iris - any of various irises having a rootstock formed like a bulb Iris cristata, dwarf iris - low-growing summer-flowering iris of northeastern United States gladdon, gladdon iris, Iris foetidissima, roast beef plant, stinking gladwyn, stinking iris - iris with purple flowers and foul-smelling leaves; southern and western Europe and North Africa Iris persica, Persian iris - bulbous iris native to Asia Minor cultivated for its pale lilac-colored flowers Iris pseudacorus, yellow flag, yellow iris, yellow water flag - common yellow-flowered iris of Europe and North Africa, naturalized in United States and often cultivated dwarf iris, Iris verna, vernal iris - low-growing spring-flowering American iris with bright blue-lilac flowers blue flag, Iris versicolor - a common iris of the eastern United States having blue or blue-violet flowers; root formerly used medicinally Iris virginica, southern blue flag - similar to blue flag; the eastern United States English iris, Iris xiphioides - bulbous iris native to the Pyrenees; widely cultivated for its large delicate flowers in various colors except yellow
	2.	iris - 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 eye, oculus, optic - the organ of sight pupil - the contractile aperture in the center of the iris of the eye; resembles a large black dot tissue layer, membrane - a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants
	3.	iris - diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening iris diaphragm diaphragm, stop - a mechanical device in a camera that controls size of aperture of the lens; "the new cameras adjust the diaphragm automatically"

Translations

iris [pl irises] [ˈaɪrɪs, -ɪz] n (ANAT) → iris m;

(BOT) → lirio

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iris, irises [ˈaɪrɪs, -ɪz] n → iris m

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iris [ˈaɪrɪs] [irises , pl ] n (Anat) → Iris f, Regenbogenhaut f;

(Bot) → Iris, Schwertlilie f

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iris [ˈaɪrɪs, -ɪz] n [pl irises] → iride f;

(BOT) → giaggiolo, iride

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iris

n iris [ˈaiəris]

1 the coloured part of the eye. iris قُزْحِيَّة العَيْن ирис duhovka regnbuehinde; iris die Iris ίριδα iris vikerkest عنبیه värikalvo iris קַשתִית आख की पुतली šarenica u oku szivárványhártya anak mata lithimna iride 虹彩 홍채 rainelė varavīksnene iris iris regnbuehinne tęczówka íris iris радужная оболочка dúhovka šarenica dužica iris ม่านตา gözbebeği etrafındaki renkli halka, iris 虹膜 райдужна оболонка آنکھ میں قرنیے کے پیچھے گول رنگدار جھلّی tròng đen 虹膜

2 a kind of brightly-coloured flower with sword-shaped leaves. iris سَوْسَن перуника kosatec iris die Schwertlilie ίρις (το φυτό) lirio võhumõõk زنبق kurjenmiekka iris אִירִיס आइरिस नामक पौधा perunika, iris írisz bunga iris sverðlilja iris アイリス 붓꽃과의 식물 irisas īriss bunga iris lis iris, sverdlilje irys lírio iris ирис kosatec perunika iris iris, svärdslilja ดอกไอริส zambak, süsen 鳶尾屬植物 ірис, півники سوسن کی قسم کا کوئی پودا cây irit 鸢尾属植物