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[poh-luh-rahy-zer] /ˈpoʊ ləˌraɪ zər/
a person or thing that polarizes.
Optics. a device, often a crystal or prism, that polarizes light.
Origin of polarizer
1850-55; polarize + -er1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for polarizer
Historical Examples
  • First, then, we have a prism which receives the light from the electric lamp, and which is called the polarizer.

    Six Lectures on Light John Tyndall
  • I would deny flatly that I had anything to do with the polarizer, in any case.

    By Proxy Gordon Randall Garrett
  • Introducing a plate of quartz between the polarizer and the spar, the two images glow with complementary colours.

    Six Lectures on Light John Tyndall
  • But the cold, white glare was more intense than he had expected, and he had to shut them again and turn on the polarizer.

    The Marooner Charles A. Stearns
  • Big yellow eyes blinked unemotionally at the glare of the torch, and I cut down its brilliance with a twist of the polarizer lens.

    Zen Jerome Bixby
  • Through this glass the beam from the polarizer now passes, being intercepted by the Nicol in front.

    Six Lectures on Light John Tyndall
  • Placing the plate in front of the polarizer, I turn one of the Nicols until the two halves of the plate show a common puce colour.

    Six Lectures on Light John Tyndall
British Dictionary definitions for polarizer


a person or a device that causes polarization
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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