What does irisation mean?
Definitions for irisation
iri·sa·tion
This dictionary definitions page includes all the possible meanings, example usage and translations of the word irisation.
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Wiktionary
irisationnoun
a colouring seen in iridescent clouds and on the borders of lenticular clouds
Wikipedia
irisation
Cloud iridescence or irisation is a colorful optical phenomenon that occurs in a cloud and appears in the general proximity of the Sun or Moon. The colors resemble those seen in soap bubbles and oil on a water surface. It is a type of photometeor. This fairly common phenomenon is most often observed in altocumulus, cirrocumulus, lenticular, and cirrus clouds. They sometimes appear as bands parallel to the edge of the clouds. Iridescence is also seen in the much rarer polar stratospheric clouds, also called nacreous clouds.The colors are usually pastel, but can be very vivid or mingled together, sometimes similar to mother-of-pearl. When appearing near the Sun, the effect can be difficult to spot as it is drowned in the Sun's glare. This may be overcome by shielding the sunlight with one's hand or hiding it behind a tree or building. Other aids are dark glasses, or observing the sky reflected in a convex mirror or in a pool of water.
Wikidata
Irisation
In meteorology, irisation, a type of photometeor, is multiple mixed iridescent colors caused by sunlight being diffracted in clouds. The colors are often brilliant and mingled together, sometimes similar to mother-of-pearl. They sometimes appear as bands parallel to the edge of the clouds. Irisation is caused by very uniform water droplets diffracting light and by first order interference effects. It can extend up to 40 degrees from the Sun. Irisation is sometimes seen along the borders of lenticular clouds. Irisations are named after the Greek goddess Iris, goddess of rainbows and messenger of Zeus and Hera to the mortals below. ⁕ Irisation or iridescence in super-cooled cloud droplets in cirrocumulus clouds. ⁕ Irisation in cirrus clouds behind Stratocumulus, in the afternoon over Warsaw, Poland.
Numerology
Chaldean Numerology
The numerical value of irisation in Chaldean Numerology is: 7
Pythagorean Numerology
The numerical value of irisation in Pythagorean Numerology is: 6
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"irisation." Definitions.net. STANDS4 LLC, 2024. Web. 14 Sep. 2024. <https://www.definitions.net/definition/irisation>.
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