fat-tail
noun1
Synonym of fat-tailed sheep.
fat tail
nounalso spelled fat-tail1
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.
3
Mathematics, Probability, Sciences, Statistics A tail of a probability distribution with significantly higher kurtosis than a normal distribution (which has kurtosis = 0).
4
Mathematics, Probability, Sciences, Statistics A tail of a probability distribution with infinite variance.
- Synonyms
- heavy tail, leptokurtosis
- Related terms
- fat-tailed, black swan