Dictionary
an•as•tig•mat•ic
Pronunciation: (an"u-stig-mat'ik, a-nas"tig-), [key]—
adj. Optics.
(of a lens) not having astigmatism; forming point images of a point object located off the axis of the lens; stigmatic.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.