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astigmatizer

American  
[uh-stig-muh-tahy-zer] / əˈstɪg məˌtaɪ zər /

noun

Optics.

  1. a cylindrical lens used in a rangefinder to draw out the point image of a point source into a line.

Etymology

Origin of astigmatizer

a- 6 + stigmatizer ( def. )

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.