Dictionary

spherical aberration

noun

Definition of SPHERICAL ABERRATION

:  aberration that is caused by the spherical form of a lens or mirror and that gives different foci for central and marginal rays

First Known Use of SPHERICAL ABERRATION

1868

spherical aberration

noun spher·i·cal aberration \ˈsfir-i-kəl-, ˈsfer-\   (Medical Dictionary)

Medical Definition of SPHERICAL ABERRATION

:  aberration that is caused by the spherical form of a lens or mirror and that gives different foci for central and marginal rays

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