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 History of this Word

"irido" is from "irid" (rainbow) spoken by people of Greece starting about 1000 B.C.

Notes

In this sense, it is a word added to another word to form a new word.

More words with this prefix,
iridaceous
iridosmine
iridopupillary

Words related to this meaning

grammar is modifier

"irido-" is a type of prefix

Definition

A prefix added to the start of a word. Indicates that "iris" or "rainbow" modifies the word. Created to expand meanings. Can be used with many words to form new words.

Examples of how the word is used

irido- illustration Laser iridotomy uses a very focused beam of light to create a hole on the outer edge of the iris, the colored part of the eye.
irido- illustration The delicate iridescence in freshly forming cloud was captured in Switzerland.