megaseism

M3E1G2A1S1E1I1S1M3

noun

A large or severe earthquake.

OriginEnglish seism ← Ancient Greek μέγᾰς (mégăs) ← Proto-Hellenic *mégas →
Scrabble 14
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounmegaseism (plural megaseisms)

plural megaseisms

  1. geographyA large or severe earthquake.

Origin

  1. Proto-Indo-European*méǵh₂s
  2. Proto-Hellenic*mégas
  3. Ancient Greekμέγᾰς (mégăs)
  4. Englishmega-
  5. Englishseism
  6. Englishmegaseism

From mega- + seism.

Full word history & related roots →

Translations

French mégaséisme
  • mégaséismea large or severe earthquake
Greek μεγασεισμός
  • μεγασεισμός (megaseismós)a large or severe earthquake
Portuguese megassismo
  • megassismoa large or severe earthquake
Cite this entry
APA

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

MLA

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

Chicago

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

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