isochasm

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noun

A line connecting places on the Earth's surface that have the same mean frequency of auroras.

OriginAncient Greek χάσμα →
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Meanings

nounisochasm (plural isochasms)

plural isochasms

  1. geographyA line connecting places on the Earth's surface that have the same mean frequency of auroras.

Origin

  1. Ancient Greekχάσμα“abyss, chasm”
  2. Englishisochasm

From iso- + Ancient Greek χάσμα (khásma, “abyss, chasm”). See chasma.

More words from Ancient Greek

Full word history & related roots →
Cite this entry
APA

isochasm. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/isochasm

MLA

“isochasm.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/isochasm. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “isochasm,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/isochasm.

Source: isochasm on Wiktionary, CC BY-SA 4.0.