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