one-way mirror


noun

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.

Nearby words

  1. one-two,
  2. one-up,
  3. one-upmanship,
  4. one-upsmanship,
  5. one-way,
  6. one-way ticket,
  7. one-woman,
  8. one-worlder,
  9. onefold,
  10. oneg shabbat

Also called two-way mirror.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for two-way mirror

two-way mirror

noun

a half-silvered sheet of glass that functions as a mirror when viewed from one side but is translucent from the other
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012