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aberration science definition
- A deviation in the normal structure or number of chromosomes in an organism.
- A defect in a lens or mirror that prevents light rays from being focused at a single point and results in a distorted or blurred image.
♦ Aberration that results in distortion of color is called chromatic aberration.
♦ Aberration that is caused by imperfections in the surface or shape of a spherical mirror or lens is called spherical aberration. See also astigmatism, coma.2
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