What does nacreous cloud mean?

Definitions for nacreous cloud
nacre·ous cloud

This dictionary definitions page includes all the possible meanings, example usage and translations of the word nacreous 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


  1. nacreous cloudnoun

    polar stratospheric cloud


  1. nacreous cloud

    A nacreous cloud, also known as a polar stratospheric cloud, is a type of cloud that forms in the winter polar stratosphere at altitudes of 15,000 to 25,000 meters. These clouds are typically very thin and often appear iridescent or shimmering, due to the light being diffracted through the tiny water droplets or ice crystals that make up the cloud. They are most frequently observed during civil twilight when the sun is between one and six degrees below the horizon.

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  1. Chaldean Numerology

    The numerical value of nacreous cloud in Chaldean Numerology is: 1

  2. Pythagorean Numerology

    The numerical value of nacreous cloud in Pythagorean Numerology is: 7

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"nacreous cloud." Definitions.net. STANDS4 LLC, 2024. Web. 14 Jun 2024. <https://www.definitions.net/definition/nacreous+cloud>.

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