anastigmatic Hear it!

anastigmatic definition

an·as·tig·matic (an as′tig mat′ik, an′ə stig-)

adjective

free from, or corrected for, astigmatism; specif., designating a compound lens made up of one converging and one diverging lens so that the astigmatism of one is neutralized by the equal and opposite astigmatism of the other

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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