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

diplex \di"plex\, a. pref. di- + -plex, as in duplex. teleg.
   pertaining to the sending of two messages in the same
   direction at the same time. diplex and contraplex are the
   two varieties of duplex.
   webster 1913 suppl.
see also:
contraplex 

[2] : The Free On-line Dictionary of Computing (27 SEP 03)

diplex
     
         from telegraphy two simultaneous
        transmissions in one direction.
     
        compare: duplex.
     
        2000-03-30
     
     
see also:
telegraphy duplex 

Diplex >> D Words
Diplex, definition of term: Diplex
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