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Duplex   /dˈuplˌɛks/   Listen
adjective
Duplex  adj.  
1.
Double; twofold.
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.
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 (Eccl. Law), a complaint in the nature of an appeal from the ordinary to his immediate superior, as from a bishop to an archbishop.
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).


noun
duplex  n.  
1.
Something which is duplex; used mostly in reference to a living unit, such as an apartment, in a building having two similar living units.
2.
(Biology, Genetics) A double-stranded region in a nucleic acid molecule. See deoxyribonucleic acid.


verb
Duplex  v. t.  (Teleg.) To arrange, as a telegraph line, so that two messages may be transmitted simultaneously; to equip with a duplex telegraphic outfit.





Collaborative International Dictionary of English 0.48


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"Duplex" Quotes from Famous Books



... easy to get Mr. Britt to come to the house, Mr. Harnden was not finding it easy to hold his prospective backer's attention. The patent project under consideration was what the inventor called "a duplex door," designed to keep kitchen odors from dining rooms. Mr. Harnden had a model of the apparatus. With his forefinger he kept tripping the doors, showing how a person's weight operated the contrivance, shutting the doors behind and simultaneously opening ...
— When Egypt Went Broke • Holman Day
... Newton stole, as described in the Gentleman's Magazine, July, 1782, p. 329. These laws are illustrated in the whizgig. There is the harsh astringent, attractive compression; the bitter compunction, repulsive expansion; and the stinging anguish, duplex motion. The author hints that he has written other works, to which he gives no clue. I have heard that Behmen was pillaged by Newton, and Swedenborg[583] by Laplace,[584] and Pythagoras by Copernicus,[585] and Epicurus by Dalton,[586] &c. I do not think this mention will revive Behmen; ...
— A Budget of Paradoxes, Volume I (of II) • Augustus De Morgan
... DUPLEX COMMUNICATION.—A wireless telephone system with which it is possible to talk between both stations in either direction without the use of switches. This is known as ...
— The Radio Amateur's Hand Book • A. Frederick Collins
... sooner threw your line over than another one'd grab it—great, big, heavy fish, and they never gave us a minute's rest. I worked like a horse for about half a day and then I gave up. Told Brown I'd take a duplex car-puller along next time I tackled that kind of a job, and I went back ...
— Calumet "K" • Samuel Merwin and Henry Kitchell Webster
... see," said Fulkerson; and, with that strange duplex action of the human mind, he wished that it was his hair, and not her father's, that Miss Woodburn was poking apart with the corner of ...
— Henry James, Jr. • William Dean Howells


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