simplex
definition: allowing communication in only one direction at a time, or in telegraphy allowing only one message over a line at a time
example: simplex system
speech part: adjective
synonyms:
definition: having only one part or element
example: a simplex word has no affixes and is not part of a compound--like `boy' compared with `boyish' or `house' compared with `houseboat'
speech part: adjective
synonyms: