Aberration
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Aberration (Latin ab, from or away + errare, to wander), a deviation or wandering, especially used in the figurative sense as:
- In ethics, a deviation from the truth.
- In pathology, a mental derangement.
- In zoology and botany, abnormal development or structure.
- In optics, the word has two special applications:
- 4.1 Aberration of light, also referred to as astronomical aberration or stellar aberration.
- 4.2 Aberration in optical systems, see also the article on lenses.