nacreous cloud

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nacreous cloud

noun nacreous clouds

A polar stratospheric cloud. Nacreous clouds, also known as polar stratospheric clouds, are not commonly observed because of the remote locations and high altitudes where they form. These clouds are also called "mother-of-pearl clouds" in reference to their vivid iridescent appearance.

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MLA

"nacreous cloud." Wiktionary, via Micwyn, micwyn.com/word/nacreous%20cloud. Accessed 6 Nov. 2026.

APA

nacreous cloud. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/nacreous%20cloud

Chicago

"nacreous cloud." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/nacreous%20cloud.

BibTeX

@misc{nacreous_cloud_2026,
  title = {nacreous cloud},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/nacreous%20cloud},
  urldate = {2026-11-06}
}