iridian

adjective

irid·​i·​an

-ēən

1

: of or relating to the iris of the eye : iridic

2

a

: resembling a rainbow

b

: having the colors of the rainbow

3

: containing iridium

Word History

Etymology

irid- + -ian

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!