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irisation

American

[ahy-ri-sey-shuhn] / ˌaɪ rɪˈseɪ ʃən /

noun

the effect or quality of being iridescent; iridescence.

Etymology

Origin of irisation

First recorded in 1850–55; iris + -ation

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.