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Definition of "mirror" []

  • A surface capable of reflecting sufficient undiffused light to form an image of an object placed in front of it. Also called looking glass. (noun)
  • Something that faithfully reflects or gives a true picture of something else. (noun)
  • Something worthy of imitation. (noun)
  • To reflect in or as if in a mirror: "The city mirrors many of the greatest moments of Western culture” ( Olivier Bernier). (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "mirror" in a sentence
  • "The light that passes through this mirror is the laser beam."
  • "Next to this mirror is a 20 foot version, like a child next to its mother, and a colossal 200 foot wall which only has one other like it, and that's in Malta."
  • "I am Intendant Kira Nerys of the ISS Andromeda, and from what you call the mirror universe."