irisation

I1R1I1S1A1T1I1O1N1

noun

A colorful optical phenomenon seen in iridescent clouds and on the borders of lenticular clouds resembling those seen in soap bubbles and oil on a water surface.

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Meanings

nounirisation (countable and uncountable, plural irisations)

plural irisations

  1. countableuncountableclimatologyA colorful optical phenomenon seen in iridescent clouds and on the borders of lenticular clouds resembling those seen in soap bubbles and oil on a water surface.
Cite this entry
APA

irisation. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/irisation

MLA

“irisation.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/irisation. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “irisation,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/irisation.

Source: irisation on Wiktionary, CC BY-SA 4.0.