autoignition

A1U1T1O1I1G2N1I1T1I1O1N1

noun

Spontaneous combustion.

OriginEnglish ignition ← Latin ignītiō ← Ancient Greek αὐτο- (auto-) →
UncommonScrabble 13
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Meanings

nounautoignition (countable and uncountable, plural autoignitions)

plural autoignitions

  1. countableuncountableSpontaneous combustion.

Origin

  1. Proto-Hellenic*autós
  2. Proto-Indo-European*h₂ew
  3. Ancient Greekαὖ (aû)
  4. Ancient Greekτόν (tón)
  5. Ancient Greekαὐτός (autós)
  6. Ancient Greekαὐτο- (auto-)
  7. Englishauto-
  8. Latinignītiō
  9. Englishignition
  10. Englishautoignition

From auto- + ignition.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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