anastigmat

noun an·as·tig·mat \a-ˈnas-tig-ˌmat, ˌa-nə-ˈstig-\

Definition of ANASTIGMAT

: an anastigmatic lens

German, back-formation from anastigmatisch anastigmatic

First Known Use: 1890

Medical Dictionary

noun an·astig·mat \a-ˈnas-tig-ˌmat, ˌan-ə-ˈstig-\

: an anastigmatic lens

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