aberration
英[ˌæbəˈreɪʃn]美[ˌæbəˈreʃən]
n.偏差，差错，脱离常规，越轨，[医]心理失常，精神迷乱，[法]过失；
复数：aberrations;
例句
an ocular aberration视觉失常
In lampblack many kitchens easy to present the chromatic aberration.油烟较多的厨房中易出现色差.
The resultant defect is known as chromatic aberration.由此而产生的缺陷叫做色差.
The removal of the chromatic aberration is then of primary importance.这时消除色差具有头等重要性.
...sexual aberration.性变态
Single people are treated as an aberration and made to pay a supplement.独身者被当成异类，而且要付一笔额外的费用。
It became very clear that the incident was not just an aberration, it was not just a single incident.事实已经很清楚，这件事不是偶发的，它并不是一起孤立的事件。
英语六级真题
However, it's clear that Macy's believes its troubles run deeper than a temporary aberration ( ' , 偏离) off the thermometer.
出自-2017年6月阅读原文However, it's clear that Macy's believes its troubles run deeper than a temporary aberration off the thermometer.
2017年6月六级真题（第一套）阅读 Section C柯林斯高阶英汉双解学习词典释义
N-VAR
偶发事件;非典型行为
An aberration is an incident or way of behaving that is not typical.
例句
It became very clear that the incident was not just an aberration, it was not just a single incident.事实已经很清楚，这件事不是偶发的，它并不是一起孤立的事件。N-VAR
不正常的怪人；异常行为
If someone considers a person or their behaviour to be an aberration, they think that they are strange and not socially acceptable.
例句
Single people are treated as an aberration and made to pay a supplement.独身者被当成异类，而且要付一笔额外的费用。...sexual aberration.性变态英英词典释义
Noun
1. a state or condition markedly different from the norm
2. a disorder in one's mental state
3. an optical phenomenon resulting from the failure of a lens or mirror to produce a good image
行业词典
体育： 心理失常；
医学： 像差：光线通过某一透镜后产生不均匀的折射与聚焦，致使形成的图像失真；偏离通常行程或情况；心脏病学上指电冲动传导过程的失常(差异性传导)；畸变；
天文学： 光行差；天体方向因不同观测者之间的相对运动引起的差异。；
机械： 像差；在光学系统中，由透镜材料的特性、折射或反射表面的几何形状引起实际像与理想像的偏差。；
法律： 无行为能力；错误行为；
物理学： 消象差系统；aberration-free system；
电子学： 像差；
航天： 像差；