aplanatic
ap·la·nat·ic
adjective \ˌa-plə-ˈna-tik\Definition of APLANATIC
: free from or corrected for spherical aberration <an aplanatic lens>
Origin of APLANATIC
a- + Greek planasthai to wander — more at planet
First Known Use: 1794
ap·la·nat·ic
adjective \ˌap-lə-ˈnat-ik, ˌā-plə-\ (Medical Dictionary)Medical Definition of APLANATIC
: free from or corrected for spherical aberration <an aplanatic lens>
—ap·la·nat·i·cal·ly \-i-k(ə-)lē\ (audio pronunciation) adverb
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