duplex

[ doo-pleks, dyoo- ]

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

/ ˈdjuːplɛks /

noun

1. a duplex apartment or house
2. a double-stranded region in a nucleic acid molecule

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

Derived Forms

• duˈplexity, noun

Other Words From

• du·plexi·ty noun

Word History and Origins

Origin of duplex¹

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

Word History and Origins

Origin of duplex¹

C19: from Latin: twofold, from duo two + -plex -fold

Example Sentences

Finally, double-sided printing, or duplex printing, may also be available if you are looking for an added bonus feature in your best all-in-one printer.

From Popular-Science

Tony Rodriguez lives in the second home of the duplex in Antioch that law enforcement searched Saturday.

From Washington Post

In the brick vastness of the east Bronx, with its towering apartment blocks and modest duplexes, Bronxwood’s cream-and-beige exterior stood out.

From ProPublica

He told KPBS he supports allowing duplexes on any single-family lot in the city to expand the supply of housing, which Zosa opposes.

From Voice of San Diego

The ding of Kerwin’s cellphone notifications filled the three-bedroom duplex apartment she shared with the boyfriend who introduced her to heroin, his teenage son and her 9-year-old son.

From ProPublica

The Duplex Drive (called DD) was one: an amphibious conversion which could be fitted to a normal Sherman tank.

From The Daily Beast

(Although Roberts also owns a duplex in Dodge City, he rents that out and does not live there).

From The Daily Beast

Now it is still warm, close to eighty degrees, as Oswald walks quickly away from the duplex.

From The Daily Beast

His family rents the lower duplex of a brownstone in Cobble Hill, where his two children share a room.

From The Daily Beast

Convince your mistress living in the duplex on South Beach to leave the shades pulled—and to limit the bling.

From The Daily Beast

Strap a Duplex Reflector on to your back, and fasten a Hansom cab-lamp on to each knee.

From Project Gutenberg

Duplex carburetors are necessary to secure the best results from eight- and twelve-cylinder V engines.

From Project Gutenberg

It will be seen that flexible metal pipes are used to convey the heated air to the air intakes of the duplex mixing chamber.

From Project Gutenberg

The Gyro-Duplex engine superseded this original design, and a small cross-section illustration of this is appended.

From Project Gutenberg

For absolute simplicity it would be difficult to excel the system adopted in the Jury Duplex camera.

From Project Gutenberg