du·plex 
(dplĕks′, dy-)
(dplĕks′, dy-)adj.
1. Twofold; double.
2. Having two apartments, divisions, or floors.
3. Relating to or being a single assembly of machinery having two identical units that are capable of operating simultaneously or independently.
4. Electronics Of or relating to a communications mode, as in a telephone system, that provides simultaneous transmission and reception in both directions.
n.
1.
a. A house divided into two living units or residences, usually having separate entrances.
b. A duplex apartment.
2. Something, such as a communications system, that is duplex.
[Latin; see dwo- in the Appendix of Indo-European roots.]
du·plexi·ty (-plĕksĭ-tē) n.
- long-sightedly
- long-sightedness
- longsome
- Longs Peak
- longspur
- long-standing
- longstanding
- Longstreet
- long-suffering
- long-sufferingly
- long suit
- long-tailed duck
- long-term
- long-term potentiation
- longtime
- long ton
- Longueuil
- longueur
- Longview
- long-waisted
- long wave
- long-winded
- long-windedly
- long-windedness
- longwise