a departure from what is normal, usual, or expected, typically one that is unwelcome (对正常、一般或预期情况的)偏离,偏差 they described the outbreak of violence in the area as an aberration. 他们将这一地区出现的暴力行为描述为异常现象。 ■a person whose beliefs or behaviour are unusual or unacceptable 信仰(或行为)异常的人 evil men are an aberration. 邪恶之徒是行为异常的人。 ■a departure from someone's usual moral character or mental ability, typically for the worse 精神失常 I see these activities as some kind of mental aberration. 我认为这些行为是某种精神失常。 ■(Biology)a characteristic that deviates from the normal type (生)(偏离常规类型的)畸变,变型 colour aberrations. 色差。 ■(Optics)the failure of rays to converge at one focus because of a defect in a lens or mirror (光学)像差 ■(Astronomy)the apparent displacement of a celestial object from its true position, caused by the relative motion of the observer and the object (天文)光行差
派生 aberrational adjective 语源
late 16th cent.: from Latin aberratio(n-), from aberrare 'to stray' (see aberrant)