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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.

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

The therapy focuses on the fractured bond between parent and child, as clinicians hidden behind a one-way mirror coach the parent through an earpiece on how to respond to their children in healthier ways.

From Los Angeles Times • Jan. 20, 2022

In a follow-up video, Baker explained that the window was actually a one-way mirror.

From Fox News • Dec. 21, 2021

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

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.