iris

noun

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

muscular diaphragm that controls the size of the pupil which in turn controls the amount of light that enters the eye

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

Roots

irisiris- · Greek · rainbow

Synonyms for iris

eyen oculusn

Synonyms & related words for iris

Find synonyms, related words, and the definition of iris — including eye, oculus. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to iris

Explore words related to iris — words associated with it, words that go with it, and its nearest matches in meaning. Related words include gladdon, irid, iridal, iridial, iridaceous, iridian, whally, hyacinthine. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for iris

Common synonyms for iris include eye, oculus — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does iris come from?

The word iris breaks down into one root of Greek origin: the root iris-, from Greek iris (“rainbow”). Explore each root to see other English words built from the same source.