autocorrelation

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noun

The cross-correlation of a signal with itself: the correlation between values of a signal in successive time periods.

OriginEnglish correlation ← Ancient Greek αὐτο- (auto-) ← Proto-Indo-European *h₂ew →
Less commonScrabble 17
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Meanings

nounautocorrelation (countable and uncountable, plural autocorrelations)

plural autocorrelations

  1. countableuncountablecomputingThe cross-correlation of a signal with itself: the correlation between values of a signal in successive time periods.

    Dividing the covariances by the variance gives the autocorrelations.

    1990, K. Holden, D. Peel, John L. Thompson, Economic Forecasting, →ISBN, page 67

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. Englishcorrelation
  9. Englishautocorrelation

From auto- + correlation.

Full word history & related roots →

Translations

Bulgarian автокорелация
  • автокорелация (avtokorelacija)statistics, signal processing: the cross-correlation of a signal with itself
Chinese Mandarin 自相關 /自相关
  • 自相關 /自相关 (zìxiàngguān)statistics, signal processing: the cross-correlation of a signal with itself
Finnish autokorrelaatio
  • autokorrelaatiostatistics, signal processing: the cross-correlation of a signal with itself
French autocorrélation
  • autocorrélationstatistics, signal processing: the cross-correlation of a signal with itself
German Autokorrelation
  • Autokorrelationstatistics, signal processing: the cross-correlation of a signal with itself
Greek αυτοσυσχέτιση
  • αυτοσυσχέτιση (aftosyschétisi)statistics, signal processing: the cross-correlation of a signal with itself
Hungarian autokorreláció
  • autokorrelációstatistics, signal processing: the cross-correlation of a signal with itself
Indonesian autokorelasi
  • autokorelasistatistics, signal processing: the cross-correlation of a signal with itself
Japanese 自己相関
  • 自己相関 (jikosōkan)statistics, signal processing: the cross-correlation of a signal with itself
Polish autokorelacja
  • autokorelacjastatistics, signal processing: the cross-correlation of a signal with itself
Romanian autocorelare
  • autocorelarestatistics, signal processing: the cross-correlation of a signal with itself
Russian автокорреляция
  • автокорреляция (avtokorreljacija)statistics, signal processing: the cross-correlation of a signal with itself
Tagalog sarilsatugnay
  • sarilsatugnaystatistics, signal processing: the cross-correlation of a signal with itself
Cite this entry
APA

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

MLA

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

Chicago

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

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