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one-way mirror

American  

noun

  1. a sheet of glass that can be seen through from one side and is a mirror on the other, used especially for observation of criminal suspects by law-enforcement officials or witnesses.


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.

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Holy relics employed in the proceedings line one wall, another features a one-way mirror that allows family members and novice exorcists to observe.

From Barron's ● Jul. 19, 2026

For proof, she was taken into a private teacher’s room, where through a one-way mirror she saw him compose himself shortly after her departure and start to play with the other children.

From Los Angeles Times ● Jun. 12, 2026

An installation with a one-way mirror and two seats will invite visitors to participate.

From Seattle Times ● May 17, 2024

"I ducked down, it was 7am in the morning. That was when I got the one-way mirror film put in."

From BBC ● Nov. 21, 2022

It is like being in a room with a one-way mirror in a spy film.

From "The Curious Incident of the Dog in the Night-Time" by Mark Haddon

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