mega-volt

noun

One million ( 10⁶ ) volts, abbreviated as MV.

OriginEnglish volt ← Italian Volta ← Ancient Greek μέγᾰς (mégăs) →
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Meanings

nounmega-volt (plural mega-volts)

plural mega-volts · alternative megavolt

  1. One million ( 10⁶ ) volts, abbreviated as MV.

Origin

  1. Proto-Indo-European*méǵh₂s
  2. Proto-Hellenic*mégas
  3. Ancient Greekμέγᾰς (mégăs)
  4. Englishmega-
  5. ItalianVolta
  6. Englishvolt
  7. Englishmega-volt

From mega- + volt.

Full word history & related roots →
Cite this entry
APA

mega-volt. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/mega-volt

MLA

“mega-volt.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mega-volt. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “mega-volt,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/mega-volt.

Source: mega-volt on Wiktionary, CC BY-SA 4.0.