覗のぞき鏡かがみ

noun

one-way mirror; two-way mirror

A mirror that is partially reflective and partially transparent, allowing observation from the darker side. Often used in interrogation rooms or observation studies.

See also: マジックミラー

• 警けい察さつの取とり調しらべ室しつには覗のぞき鏡かがみが設せっ置ちされている。

  A one-way mirror is installed in the police interrogation room.

• 心しん理り学がくの実じっ験けんで、覗のぞき鏡かがみ越ごしに子こ供どもの行こう動どうを観かん察さつした。

  In the psychology experiment, we observed the children's behavior through a one-way mirror.