anastigmatic

[an-uh-stig-mat-ik, a-nas-tig-]

an·as·tig·mat·ic

[an-uh-stig-mat-ik, a-nas-tig-]
adjective Optics.
(of a lens) not having astigmatism; forming point images of a point object located off the axis of the lens; stigmatic.

Origin:
1885–90; an-1 + astigmatic
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Anastigmatic has a plethora of syllables.
So is dichlorodiphenyltrichloroethane. Does it mean:
a white, crystalline, water-insoluble, powerful high explosive, C3H6N6O6, used chiefly in bombs and shells.
a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S.
Collins
World English Dictionary
anastigmatic (ˌænəstɪɡˈmætɪk)
 
adj
Also: stigˈmatic (of a lens or optical device) not astigmatic

Collins English Dictionary - Complete & Unabridged 10th Edition
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