IRIS

n. colored part of the eyeball surrounding the pupil (Anatomy); any of a number of plants having sword-shaped leaves and showy flowers

For other uses, see also Iris IRIS can refer to: A missile:IRIS (missile), an Iranian satellite launcher. An organization:Institute for Research in Information and Scholarship, now defunct hypertext project at Brown UniversityIncorporated Research Institutions for Seismology, also known as the IRIS Consortium IRIS, the annual Management Festival of Indian Institute of Management Indore (IIMI)IRIS Center at the University of Maryland, originally the "Institutional Reform and the Informal Sector", researches foreign policy, economic development and institutional reform in dealing with poor countriesI.R.I.S. Group, an optical character recognition (OCR) software companyInformation Systems Research Seminar, an annual seminar for Scandinavian researchers International Institute for Resource Industries and Sustainability StudiesIncorporated Research Institutions for SeismologyInterior Redesign Industry Specialist, a non-profit organization whose webpage is www.weredesign.com. A system:Integrated Risk Information System, US Environmental Protection Agency database of human health effects from exposure to environmental substancesInternationalized Resource Identifiers (IRIs)IRIS GL, a computer graphics system which evolved into OpenGLUltima Iris, an open source version of Ultima, based on IRIS/OpenGLIRIS-T, a German air-to-air missileInstructional Resources Information SystemInsurance Regulatory Information System, National Association of Insurance Commissioners databaseInfrastructure for Resilient Internet Systems, an MIT peer-to-peer internet projectIntegrated Reporting for International Students, an administrative system for European exchange studentsInternal Rotary Inspection System, ultrasonic testing for pipes and tubesInternet Radar Imaging Server, a weather radar system from Baron Services A service:Internet Registry Information Service, a proposed query/response protocol for Internet registriesIllinois Research Information Service at University of Illinois at Urbana-Champaign
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Iris has three main meanings, related by their derivation from the Greek word for rainbow:Iris (mythology), a messenger of the gods in Greek mythology, identified with the rainbowIris (anatomy), the sphincter around the pupil of the eye, named after the colors in human and animal eyesIris (plant), a genus of flowering plants, named after the rainbow
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Iris pl. i´rides [Gr.] the circular pigmented membrane behind the cornea, perforated by the pupil. i·ris n. pl. [more]Iris - Community and Resources

Noun
1. plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals
(synonym) flag, fleur-de-lis, sword lily
(hypernym) iridaceous plant
(hyponym) bearded iris
(member-holonym) genus Iris
2. muscular diaphragm that controls the size of the pupil; it forms the colored portion of the eye
(hypernym) membrane, tissue layer
(part-holonym) eye, oculus, optic
(part-meronym) pupil
3. diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening
(synonym) iris diaphragm
(hypernym) diaphragm, stop

n. iris, colored part of the eyeball surrounding the pupil (Anatomy); any of a number of plants having sword-shaped leaves and showy flowers, orris