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Synonyms

duplex

American  
[doo-pleks, dyoo-] / ˈdu plɛks, ˈdyu- /

noun

  1. duplex apartment.

  2. duplex house.

  3. paper or cardboard having different colors, finishes, or stocks on opposite sides.

  4. Printing.

    1. a method of reproducing an illustration using two halftone plates, one black and the other in a color.

    2. a printing press equipped to print both sides of a sheet in one pass.

  5. Genetics. a double-stranded region of DNA.


adjective

  1. having two parts; double; twofold.

  2. (of a machine) having two identical working units, operating together or independently, in a single framework or assembly.

  3. pertaining to or noting a telecommunications system, as most telephone systems, permitting the simultaneous transmission of two messages in opposite directions over one channel.

verb (used with object)

  1. to make duplex; make or change into a duplex.

    Many owners are duplexing their old houses for extra income.

duplex British  
/ ˈdjuːplɛks /

noun

  1. a duplex apartment or house

  2. a double-stranded region in a nucleic acid molecule

"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

adjective

  1. having two parts

  2. machinery having pairs of components of independent but identical function

  3. permitting the transmission of simultaneous signals in both directions in a radio, telecommunications, or computer channel

"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

Other Word Forms

  • duplexity noun

Etymology

Origin of duplex

1810–20; < Latin: twofold, double, equivalent to du ( o ) two + -plex -plex

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

About 250 other structures — duplexes, apartment buildings, condominium complexes — were also destroyed or damaged, those officials said.

From Los Angeles Times

“Thank you for the times when we were well and happy and busy,” Dad prayed over the turkey dinner Karen made for the three of us at his Iowa duplex in November.

From The Wall Street Journal

In most cities, these parcels would be the sole domain of single-family homes interrupted by the occasional duplex.

From Los Angeles Times

But cleaning a house that size was a massive undertaking, and it seemed impossible to keep track of everyone’s belongings, as compared with when they lived in a smaller duplex.

From MarketWatch

But cleaning a house that size was a massive undertaking, and it seemed impossible to keep track of everyone’s belongings, as compared with when they lived in a smaller duplex.

From MarketWatch