aplanatic Meaning, Definition & Usage
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adjective satellite free from or corrected for spherical aberration
- an aplanatic mirror
WordNet
Ap`la*nat"ic adjective
Etymology
Gr. priv. + disposed to wander, wandering, to wander.Definitions
(Opt.) Having two or more parts of different curvatures, so combined as to remove spherical aberration; -- said of a lens.