Iris

From Freepedia

For uses as an abbreviation, see IRIS

Iris has three main meanings, unrelated except for their derivation from the Greek word for rainbow:

  • Iris (mythology), a messenger of the gods in Greek mythology, identified with the rainbow
  • Iris (anatomy), the sphincter around the pupil of the eye, named for the colors in human and animal eyes
  • Iris (plant), a colorful genus of flowering plants, named for the rainbow
  • Terms derived from the three main meanings:
    • 7 Iris, an asteroid named for the mythological figure
    • USS Iris, one of several ships in the US Navy, also named for the mythological figure
    • Iris (color), an ambiguous color term, ranging from blue-violet to violet, derived from the flower
    • A feminine name, derived from either the myth, the flower, or the word "rainbow" itself

In technology:

  • Iris (camera), a mechanical device which mimics the function of the biological iris
  • Iris (diaphragm), any such mechanical device, as used in doors, pipes, and electrical engineering

In the arts:

In popular culture:

In business:

See also

  • iris scan, a technology for identifying individuals by the pattern of their iris
  • iridescence, a term derived from the mythological figure
  • orris root, an herbal medicine using the root of the iris plant
  • iridology, a form of alternative medicine focused on the eye

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