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iris

Definitions of iris
  1. noun
    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
    synonyms: regenboogvlies
    see moresee less
    type of:
    membraan, vlies
    a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants
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