outliern.
英 'aʊtlaɪə | 美 'aʊt,laɪɚ
中文n. [分化] 异常值；露宿者；局外人；离开本体的部分
词根词源
outlier (n.)c. 1600, "stone quarried and removed but left unused," from out + lie (v.2). Transferred meaning "outsider" is recorded from 1680s; "anything detached from its main body" is from 1849; geological sense is from 1833.
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