half-duplex: Meaning and Definition of

half'-du'plex

Pronunciation: (haf'd'pleks, -dy'-, häf'-), [key]
— adj.
  1. of or pertaining to the transmission of information in opposite directions but not simultaneously. Cf. full-duplex.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.