outlier
/ˈaʊtˌlaɪə(r)/noun
1- a person or thing situated away or detached from the main body or system在外面的人, 与主体分开的人; 与主体分开的物：
less accessible islands and outliers.
交通较为不便的岛屿和边远外地。
1.1
- Geology a younger rock formation isolated among older rocks【地质】外露层。
1.2
- Statistics a data point on a graph or in a set of results that is very much bigger or smaller than the next nearest data point【统计】异常值。