irisation

US:USA pronunciation: respellingUSA pronunciation: respelling(ī′ri sāshən)


WordReference Random House Unabridged Dictionary of American English © 2026
i•ris•a•tion  (ī′ri sāshən),USA pronunciation n. 
  1. the effect or quality of being iridescent;
    iridescence.
  • iris + -ation 1850–55


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