[1] : The Collaborative International Dictionary of English v.0.48

quadruplex \quad"ruplex\, 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
see also:
quadruplex system 

Quadruplex >> Q Words
Quadruplex, definition of term: Quadruplex
quadruplex_pag1.html

Legal System >> L Words
Legal System, definition of term: Legal System
legal+system_pag1.html

Legacy System >> L Words
Legacy System, definition of term: Legacy System
legacy+system_pag1.html

Jury System >> J Words
Jury System, definition of term: Jury System
jury+system_pag1.html

Heating System >> H Words
Heating System, definition of term: Heating System
heating+system_pag1.html

Limbic System >> L Words
Limbic System, definition of term: Limbic System
limbic+system_pag1.html

Nervous System >> N Words
Nervous System, definition of term: Nervous System
nervous+system_pag1.html

Spoils System >> S Words
Spoils System, definition of term: Spoils System
spoils+system_pag1.html

Solar System >> S Words
Solar System, definition of term: Solar System
solar+system_pag1.html

Social System >> S Words
Social System, definition of term: Social System
social+system_pag1.html

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