Definify.com
Webster 1913 Edition
Duplex
‖
1.
Double; twofold.
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)
.