fat tail

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fat tail

noun fat tails · fat-tail · fattail

  1. A mass of fat stored in the rump of a beast as an adaptation to heat and harsh environmental conditions or selection by man.
  2. The relatively high probability of a relatively extreme outcome.

    Similar: heavy tail

  3. A tail of a probability distribution with significantly higher kurtosis than a normal distribution (which has kurtosis = 0).

    Similar: leptokurtosis

  4. A tail of a probability distribution with infinite variance.

Translations

Every language

noun fat-tail of beast

DeutschFettschwanz
Русскийкурдю́к kurdjúk
العربيةأَلْيَة ʔalya
עבריתאַלְיָה ʾalyā

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MLA

"fat tail." Wiktionary, via Micwyn, micwyn.com/word/fat%20tail. Accessed 7 Nov. 2026.

APA

fat tail. (n.d.). In Wiktionary, via Micwyn. Retrieved November 7, 2026, from https://micwyn.com/word/fat%20tail

Chicago

"fat tail." Wiktionary, via Micwyn. Accessed November 7, 2026. https://micwyn.com/word/fat%20tail.

BibTeX
@misc{fat_tail_2026,
  title = {fat tail},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/fat%20tail},
  urldate = {2026-11-07}
}