— duplexity , n.
/dooh"pleks, dyooh"-/ , n.
1. See duplex apartment .
2. See duplex house .
3. paper or cardboard having different colors, finishes, or stocks on opposite sides.
4. Print.
a. a method of reproducing an illustration using two halftone plates, one black and the other in a color.
b. a printing press equipped to print both sides of a sheet in one pass.
5. Genetics. a double-stranded region of DNA.
adj.
6. having two parts; double; twofold.
7. (of a machine) having two identical working units, operating together or independently, in a single framework or assembly.
8. pertaining to or noting a telecommunications system, as most telephone systems, permitting the simultaneous transmission of two messages in opposite directions over one channel.
v.t.
9. to make duplex; make or change into a duplex: Many owners are duplexing their old houses for extra income.
[ 1810-20; du ( o ) TWO + -plex -PLEX ]