Definition of spherical aberration in English:

spherical aberration

Syllabification: spher·i·cal ab·er·ra·tion
Pronunciation: /ˈsfi(ə)rikəl ˌabəˈrāSHən
 
/

noun

  • A loss of definition in the image arising from the surface geometry of a spherical mirror or lens.
    More example sentences
    • The undercorrected spherical aberration of the mirror is offset by the overcorrected spherical aberration of the negative lens.
    • Typical aberrations that can impact imaging performance include astigmatism, chromatic aberration, and spherical aberration.
    • This spherical aberration means that an observer looking at a background star through a gravitational lens sees two magnified and distorted images on opposite sides of the lensing star.

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Pronunciation: məˈlôrd
noun
used to address an English nobleman