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.

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polarizer British  

/ ˈpəʊləˌraɪzə /

noun

1. a person or a device that causes polarization

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Etymology

Origin of polarizer

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

Example Sentences

The pager-sized stainless steel Springlife polarizer looks like not much more than a small metal box.

From The Verge

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

What’s important to remember about Mr. Mondale, Humphrey often said, “is that he’s nonabrasive. He was not a polarizer. He coupled all this with what was obvious talent: He was young, he was articulate, he was intelligent and clean-cut.”

From Washington Post

“I am the biggest polarizer of this country. What I want is to polarize,” he said.

From Washington Times

The shrinking GOP was on opposite sides of Democrats and independents on many issues: gun control, abortion, environmental protection, taxes and spending, immigration and a border wall — not to mention their opinions of the immigrant-bashing polarizer in chief, President Trump.

From Los Angeles Times