What does mother-of-pearl cloud mean?

Definitions for mother-of-pearl cloud
moth·er-of-pearl cloud

This dictionary definitions page includes all the possible meanings, example usage and translations of the word mother-of-pearl cloud.

Princeton's WordNet

  1. nacreous cloud, mother-of-pearl cloudnoun

    a luminous iridescent cloud at a high altitude that may be seen when the sun is a few degrees below the horizon

Wikipedia

  1. mother-of-pearl cloud

    Polar stratospheric clouds (PSCs) are clouds in the winter polar stratosphere at altitudes of 15,000–25,000 m (49,000–82,000 ft). They are best observed during civil twilight, when the Sun is between 1 and 6 degrees below the horizon, as well as in winter and in more northerly latitudes. One main type of PSC is made up mostly of supercooled droplets of water and nitric acid and is implicated in the formation of ozone holes. The other main type consists only of ice crystals which are not harmful. This type of PSC is also referred to as nacreous (, from nacre, or mother of pearl, due to its iridescence).

ChatGPT

  1. mother-of-pearl cloud

    A mother-of-pearl cloud, also known as nacreous cloud or polar stratospheric cloud, is a type of cloud that forms in the lower stratosphere over polar regions during winter. These clouds are named for their iridescent or nacreous colors, similar to those seen in mother-of-pearl. Their colors come from diffraction, refraction and reflection of sunlight by the small water droplets or ice crystals that make up the cloud.

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Numerology

  1. Chaldean Numerology

    The numerical value of mother-of-pearl cloud in Chaldean Numerology is: 3

  2. Pythagorean Numerology

    The numerical value of mother-of-pearl cloud in Pythagorean Numerology is: 9

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"mother-of-pearl cloud." Definitions.net. STANDS4 LLC, 2024. Web. 17 Apr. 2024. <https://www.definitions.net/definition/mother-of-pearl+cloud>.

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