circumhorizontal arc

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English

[edit]
English Wikipedia has an article on:
Wikipedia

Noun

[edit]

circumhorizontal arc (plural circumhorizontal arcs)

  1. An optical phenomenon, a large, brightly spectrum-coloured band running parallel to the horizon, formed by the refraction of sunlight or moonlight in plate-shaped ice crystals suspended in the atmosphere, typically in cirrus or cirrostratus clouds.

Synonyms

[edit]
Retrieved from "https://en.wiktionary.org/w/index.php?title=circumhorizontal_arc&oldid=44536034"