aplanatic

adjective
ap·​la·​nat·​ic | \ ˌa-plə-ˈna-tik How to pronounce aplanatic (audio) \

Definition of aplanatic

: free from or corrected for spherical aberration an aplanatic lens

First Known Use of aplanatic

1794, in the meaning defined above

History and Etymology for aplanatic

a- + Greek planasthai to wander — more at planet

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Time Traveler for aplanatic

Time Traveler

The first known use of aplanatic was in 1794

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Cite this Entry

“Aplanatic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aplanatic. Accessed 26 Jan. 2021.

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More Definitions for aplanatic

aplanatic

adjective
ap·​la·​nat·​ic | \ ˌap-lə-ˈnat-ik, ˌā-plə- How to pronounce aplanatic (audio) \

Medical Definition of aplanatic

: free from or corrected for spherical aberration an aplanatic lens

Other Words from aplanatic

aplanatically \ -​i-​k(ə-​)lē How to pronounce aplanatic (audio) \ adverb

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