one-way mirror

English

Etymology

one-way +‎ mirror

Noun

one-way mirror (plural one-way mirrors)

1. A mirror reflecting images on one side and transparent on the other, often used by the police during an interrogation.

   "The trainee interviews a client in a one-way mirror room or in front of a video camera while being observed by the supervisor, who guides the therapy by telephoning suggestions or bringing the trainee out for discussion." — Learning and Teaching Therapy by Jay Haley

Translations

mirror that is transparent on one side

• Finnish: puoliläpäisevä peili
• French: miroir sans tain (fr) m, glace sans tain (fr) f
• Irish: scáthán aonbhealaigh m
• (deprecated template usage) {{trans-mid}}
• Macedonian: еднонасочно огледало n (ednonasočno ogledalo)
• Russian: одностороннее зе́ркало n (odnostoronneje zérkalo)
• Spanish: espejo simulado m