Medical Dictionary

aplanatism

noun aplan·a·tism \ ā-ˈplan-ə-ˌtiz-əm , ˈap-lə-ˌnat-ˌiz- \

medical Definition of aplanatism

:freedom from spherical aberration

Seen and Heard

What made you want to look up aplanatism? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

pleasing or sweet sound

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!