duplex: Meaning and Definition of

du•plex

1. See
2. See
3. paper or cardboard having different colors, finishes, or stocks on opposite sides.
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. a double-stranded region of DNA.

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.

1. to make duplex; make or change into a duplex: Many owners are duplexing their old houses for extra income.