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Definition of "duplex" []

  • Twofold; double. (adjective)
  • Having two apartments, divisions, or floors. (adjective)
  • Relating to or being a single assembly of machinery having two identical units that are capable of operating simultaneously or independently. (adjective)
  • Electronics Of or relating to a communications mode, as in a telephone system, that provides simultaneous transmission and reception in both directions. (adjective)
  • A house divided into two living units or residences, usually having separate entrances. (noun)

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 "duplex" in a sentence
  • "What I call a duplex is a property with two units, both on the same deed; this is the "smallest" kind of multi-family."
  • "According to Chicago Curbed, three units have been sold, but unit 202, a 2,964 square-foot 4 bedroom, 3.1 bath duplex is still on the market."
  • "Our home is what might be called a duplex, in that we share a common wall with one other unit."