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
A one-way mirror is installed in the police interrogation room.
In the psychology experiment, we observed the children's behavior through a one-way mirror.
Standard kanji spelling.
Mixed kana-kanji spelling; also common.
Compound of 覗き (のぞき, 'peeping') + 鏡 (かがみ, 'mirror').