quadruplex
AdjectiveWordNet 3.0
Adjective (1)
- having four units or components“quadruple rhythm has four beats per measure”“quadruplex wire”Synonyms: quadruplequadruplicatefourfoldfour-fold
Webster's Dictionary (GCIDE)
Quadruplex \Quad"ru*plex\, a. [L., from quattuor four + plicare to fold.] Fourfold; folded or doubled twice. [1913 Webster]
Quadruplex system (Electric Telegraph), a system by which four messages, two in each direction, may be sent simultaneously over the wire. [1913 Webster]
Free On-line Dictionary of Computing
quadruplex
<communications> A kind of telegraphy system developed by Thomas A. Edison in the 1870s combining diplex and duplex communications to support simultaneous transmission of two messages in each direction.
(2000-04-02)