Dictionary.com
Thesaurus.com

polarizer

American  
[poh-luh-rahy-zer] / ˈpoʊ ləˌraɪ zər /

noun

  1. a person or thing that polarizes.

  2. Optics. a device, often a crystal or prism, that polarizes light.


polarizer British  
/ ˈpəʊləˌraɪzə /

noun

  1. 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

Etymology

Origin of polarizer

First recorded in 1850–55; polarize + -er 1


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The neural network is trained using two complementary diffraction images, one captured with a vertical polarizer and one without.

From Science Daily ● Mar. 29, 2026

The monitor’s screen coating omits a light-reflecting polarizer, and thus, deep blacks can appear gray if you’re using it in a well-lit room.

From The Verge ● Apr. 6, 2022

“Cruz is a polarizer within his own party,” said Dante Scala, a political science professor at the University of New Hampshire.

From MSNBC ● Jan. 18, 2016

Mr. Zorn, 59, is a saxophonist of firm avant-garde conviction, a natural polarizer and provocateur.

From New York Times ● May 19, 2013

Placing the quartz plate between the polarizer and analyzer, this vivid red appears; and, turning the analyzer in front from right to left, the other colours of the spectrum appear in succession.

From Six Lectures on Light Delivered In The United States In 1872-1873 by John Tyndall

Random Word

Spin the wheel and learn a new word!

Get a word

Vocabulary.com logo
by dictionary.com

Join 14,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training