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