Hypertext Webster Gateway: "duplex"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Duplex \Du"plex\, v. t. [See {Duplex}, a.] (Teleg.)
To arrange, as a telegraph line, so that two messages may be
transmitted simultaneously; to equip with a duplex
telegraphic outfit.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Duplex \Du"plex\, a. [L., fr. duo two + plicare to fold. See
{Two}, and {Complex}.]
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.
From WordNet (r) 1.7 (wn)
duplex
adj 1: (used technically of a device or process) having two parts;
"a duplex transaction"
2: (telecommunication) allowing communication in opposite
directions simultaneously; "duplex system"; "duplex
telephony"
n 1: a house with two units sharing a common wall [syn: {duplex
house}, {semidetached house}]
2: an apartment having rooms on two floors that are connected
by a staircase [syn: {duplex apartment}]
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