irisation

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English

Noun

irisation

irisation (countable and uncountable, plural irisations)

  1. (meteorology) 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.

References

French

Etymology

From iriser +‎ -ation.

Pronunciation

  • IPA(key): /i.ʁi.za.sjɔ̃/
  • Audio:(file)

Noun

irisation f (plural irisations)

  1. iridescence

Further reading