Definition of Aberrations

failure of a mirror or lens to produce an exact point-to-point correspondence between an object and an image of the object.

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Noun
1. a state or condition markedly different from the norm
(synonym) aberrance, aberrancy, deviance
(hypernym) abnormality, abnormalcy, abnormal condition
(hyponym) chromosomal aberration, chromosomal anomaly, chrosomal abnormality, chromosonal disorder
(derivation) aberrate
2. a disorder in one's mental state
(hypernym) mental disorder, mental disturbance, disturbance, psychological disorder, folie
(derivation) aberrate
3. an optical phenomenon resulting from the failure of a lens or mirror to produce a good image
(synonym) distortion, optical aberration
(hypernym) optical phenomenon
(hyponym) chromatic aberration
(derivation) aberrate