the iris is the coloured part of the eye

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• iris — i|ris [ˈaıərıs US ˈaırıs] n [Date: 1400 1500; : Latin; Origin: Greek, rainbow, iris plant, iris of the eye ] 1.) a tall plant with long, thin leaves and large purple, yellow, or white flowers 2.) the round coloured part of your eye, that… …   Dictionary of contemporary English

• iris — UK [ˈaɪrɪs] / US noun [countable] Word forms iris : singular iris plural irises 1) a tall plant with large purple, yellow, or white flowers and long pointed leaves 2) medical the coloured part of your eye around the small black circle that is… …   English dictionary

• iris — noun (C) 1 a tall plant with long, thin leaves and large purple, yellow, or white flowers 2 the round coloured part of your eye, that surrounds the black pupil (2) …   Longman dictionary of contemporary English

• iris — [ˈaɪrɪs] noun [C] 1) a tall, usually purple, flower 2) the coloured part of your eye …   Dictionary for writing and speaking English

• Iris — The iris is the circular, colored curtain of the eye. Its opening forms the pupil. The iris helps regulate the amount of light that enters the eye. The eye has a number of other key components. These include the cornea, pupil, lens, retina,… …   Medical dictionary

• Iris — f English, German, and Dutch: name (from Greek iris rainbow) borne in Greek mythology by a minor goddess, one of the messengers of the gods, who was so named because the rainbow was thought to be a sign from the gods to men. In English her name… …   First names dictionary

• (the) whites of someone's eyes — the whites of someone’s eyes phrase the white parts of your eyes. The coloured part is called the iris and the black part in the middle is the pupil The whites of his eyes looked red and sore. Thesaurus: eye and parts of the eyemeronym relating… …   Useful english dictionary

• eye, human — ▪ anatomy Introduction  specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit       The eye is protected from mechanical injury… …   Universalium

• eye disease — Introduction  any of the diseases or disorders that affect the human eye (eye, human).       This article briefly describes the more common diseases of the eye and its associated structures, the methods used in examination and diagnosis, and the… …   Universalium

• iris — [[t]a͟ɪ͟ərɪs[/t]] irises 1) N COUNT The iris is the round coloured part of a person s eye. 2) N COUNT An iris is a tall plant with long leaves and large purple, yellow, or white flowers …   English dictionary

• iris — n. the part of the eye that regulates the amount of light that enters. It forms a coloured muscular diaphragm across the front of the lens; light enters through a central opening, the pupil. A ring of muscle round the margin contracts in bright… …   The new mediacal dictionary