Try Our Apps


Avoid these words. Seriously.


a combining form of Latin origin used, with the meanings “rainbow,” “iridescent,” “iris (of the eye),” “Iris (the genus),” and “iridium,” in the formation of compound words:
iridopupillary; iridosmine; iridotomy.
Also, especially before a vowel, irid-.
Origin of irido-
combining form representing New Latin, Latin, Greek īrid- (stem of îris) rainbow, iris, etc.; see iris Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source
British Dictionary definitions for irido-


combining form
denoting the iris of the eye or the genus of plants: iridaceous
denoting a rainbow: iridescent
Word Origin
from Latin irid-,iris
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
irido- in Medicine

irido- or irid-
Iris of the eye: iridectomy.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Nearby words for irido-

Word Value for irido

Scrabble Words With Friends