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

Other Word Forms

• duplexity 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

The reimagined Reseda includes 37 buildings of 100 or more units, 73 medium-size buildings of 25 to 99 units and 484 duplex and small apartment buildings of up to 24 units.

From Los Angeles Times

By contrast, he said, SB 9 duplexes inevitably will add people.

From Los Angeles Times

Last month, he and a group of supporters prevented Los Angeles County Sheriff’s Department deputies from evicting him from a small duplex on a narrow street in El Sereno.

From Los Angeles Times

Still, she knew she would eventually have to move out of the comfortable 1,200-square-foot duplex, for which she paid $2,670 a month in rent.

From Los Angeles Times

Some types of multifamily housing that have at least one owner-occupied unit — such as a duplex or condominium — are eligible for the Army Corps’ Phase 2 cleanup.

From Los Angeles Times