quadruplex : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: quadruplex	by the DICT Development Group
3 results for quadruplex
From WordNet (r) 3.0 (2006) [wn]:
quadruplex adj having four units or components; "quadruple rhythm has four beats per measure"; "quadruplex wire" Synonym(s): quadruple, quadruplicate, quadruplex, fourfold, four-fold
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Quadruplex \Quad"ruplex\, a. [L., from quattuor four + plicare to fold.] Fourfold; folded or doubled twice. {Quadruplex* system} (Electric Telegraph), a system by which four messages, two in each direction, may be sent simultaneously over the wire.
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
quadruplex 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)