tropical arc

noun

A weak aurora above the tropics

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Meanings

nountropical arc (plural tropical arcs)

plural tropical arcs

  1. A weak aurora above the tropics
Cite this entry
APA

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

MLA

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

Chicago

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

Source: tropical arc on Wiktionary, CC BY-SA 4.0.