circumhorizontal arcs

A form of circumhorizontal arc — 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.

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

noun
  1. pluralplural of circumhorizontal arc
Cite this entry
APA

circumhorizontal arcs. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/circumhorizontal%20arcs

MLA

“circumhorizontal arcs.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/circumhorizontal%20arcs. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “circumhorizontal arcs,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/circumhorizontal%20arcs.

Source: circumhorizontal arcs on Wiktionary, CC BY-SA 4.0.