Definition from Wiktionary, the free dictionary
outlier (plural outliers)
- A person or thing away from others or outside its proper place.
- (geology) A part of a formation separated from the rest of the formation by erosion.
- (statistics) A value in a statistical sample which does not fit a pattern that describes most other data points; specifically, a value that lies 1.5 IQR beyond the upper or lower quartile.
person or thing away from others or outside its proper place
part of formation separate from the rest
value outside pattern in a statistical sample