iridal

English

Etymology

Formed from (the stem of) Latin īris, Ancient Greek ἶρις (îris) +‎ -al.

Pronunciation

• (UK) IPA^(key): /ˈʌɪɹɪdəl/

Adjective

iridal (comparative more iridal, superlative most iridal)

1. (rare) Pertaining to a rainbow.
2. (chiefly medicine) Pertaining to the iris of the eye.
   • 1969, Vladimir Nabokov, Ada or Ardor, Penguin 2011, p. 44:

     The iridal dark-brown of her serious eyes had the enigmatic opacity of an Oriental hypnotist's look (in a magazine's back-page advertisement) and seemed to be placed higher that usual so that between its lower rim and the moist lower lid a cradle crescent of white remained when she stared straight at you.