'Duplex querela' definitions:

Definition of 'Duplex querela'

From: GCIDE
  • Duplex \Du"plex\, a. [L., fr. duo two + plicare to fold. See Two, and Complex.]
  • 1. Double; twofold. [1913 Webster]
  • 2. (Computers) organized so that data may be transmitted in two opposite directions over the same channel; -- of communications channels, such as data transfer lines between computers. [PJC]
  • Duplex escapement, a peculiar kind of watch escapement, in which the scape-wheel has two sets of teeth. See Escapement.
  • Duplex lathe, one for turning off, screwing, and surfacing, by means of two cutting tools, on opposite sides of the piece operated upon.
  • Duplex pumping engine, a steam pump in which two steam cylinders are placed side by side, one operating the valves of the other.
  • Duplex querela [L., double complaint] (Eccl. Law), a complaint in the nature of an appeal from the ordinary to his immediate superior, as from a bishop to an archbishop. --Mozley & W.
  • Duplex telegraphy, a system of telegraphy for sending two messages over the same wire simultaneously.
  • Duplex watch, one with a duplex escapement.
  • half duplex (Computers) (a) arranged so that the information may be transmitted in both directions, but only in one direction at a time; -- of communications channels between computers; contrasted with full duplex(a). (b) arranged so that the information transmitted to the remote computer also appears on the local terminal; -- of communications channels between computers; contrasted with full duplex(b).
  • full duplex, (Computers) (a) arranged so that the information may be transmitted in both directions simultaneously; -- of communications channels between computers; contrasted with {half duplex(a)}. (b) arranged so that the information transmitted to the remote computer does not appear on the local terminal; -- of communications channels between computers; contrasted with half duplex(b). [1913 Webster]