2 entries found for iris.
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iris iris diaphragm

Main Entry: iris
Pronunciation: -rs
Function: noun
Inflected Form(s): plural iris·es /-r-sz /; or iri·des /-r-dz, ir--/
1 : the colored part around the pupil of the eye that changes in size to control the amount of light entering the pupil
2 also plural iris : any of a large genus of plants with long pointed leaves and large usually brightly colored flowers
3 : IRIS DIAPHRAGM
[iris illustration]