Iris in a sentence as a noun

For example, the whites of our eyes are more exposed than any other creature including primates and the color difference between our pupil and iris has a high contrast.

In a nut shell, the technology hashes an individual's iris and fingerprints into an ID, allowing for the ID to be easily verified in a de-centralised manner.

Iris definitions

noun

plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals

See also: flag fleur-de-lis

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

noun

diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening