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| i·ris [ riss ] (plural i·ris·es) |
noun |
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| Definition: |
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1. part of eye: the colored part of the eye that consists of a muscular diaphragm surrounding the pupil and regulates the light entering the eye by expanding and contracting the pupil
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2. flowering plant: a plant with long sword-shaped leaves. Flowers: many-colored. Genus Iris.
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3.
(
literary
)
Same as rainbown (sense 1)
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4. rainbow show of colors: a show of colors of various hues, like a rainbow
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5. photog
Same as iris diaphragm
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| [15th century. Via Latin< Greek, "rainbow, iris (of the eye)"] |
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