Meaning of astigmatizer

a•stig•ma•tiz•er

Pronunciation: (u-stig'mu-tī"zur), [key]
— n. Optics.
  1. a cylindrical lens used in a rangefinder to draw out the point image of a point source into a line.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.