|  simplex 
 
 1. allowing communication in only one direction at a time, or in telegraphy allowing only one message over a line at a time (Freq. 1)
 - simplex system
 • Similar to:
 unidirectional
 • Topics:
 telecommunication, telecom
 2. having only one part or element
 - a simplex word has no affixes and is not part of a compound--like 'boy' compared with 'boyish' or 'house' compared with 'houseboat'
 • Similar to:
 simple
 
 
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