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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



... moved so slowly that it seemed a hopeless task to watch it during its whole infinite round of a minute, and I always gave up in despair before the sixty seconds had elapsed. When my mind was most lucid there was a distinct duplex action in regard to the duration of time. I would think to myself, "It has been so long since a certain event!"—an hour, for example, since the doctor was summoned—but Reason would say, "No, it has been ...
— Lippincott's Magazine of Popular Literature and Science, Vol. XXVI., December, 1880. • Various

... munched up by Polyphemus? Having thus touched on the epic side of Mr. Waife's character with the clemency due to human nature, but with the caution required by the interests of society, permit him to resume a "duplex course," sanctioned by ancient precedent, but not commended to ...
— What Will He Do With It, Complete • Edward Bulwer-Lytton

... Nicholas Acons), on the north side of Lombard Street, stands on the site of the old Grass Market. The only remarkable monument is that of Dr. Jeremiah Mills, who died in 1784, and had been President of the Society of Antiquaries many years. The local authorities have, with great good sense, written the duplex name of this church in clear letters over ...
— Old and New London - Volume I • Walter Thornbury

... persuasion, when employes have signed contracts not to join the union as a condition of employment.[96] A decision which arouses strong doubt whether the Clayton Act made any change in the status of trade unions was given by the Supreme Court in the recent Duplex Printing case.[97] In this decision the union rested its defense squarely on the immunities granted by the Clayton Act. Despite this, the injunction was confirmed and the boycott again declared illegal, the court holding that the ...
— A History of Trade Unionism in the United States • Selig Perlman

... I put in the bottom of my new large trunk in New York, not a "duplex elliptic," for none were then made, but a "Belmonte," of thirty springs, for my wife. I bought, for her more common wear, a good "Belle-Fontaine." For Sarah and Susy each I got two "Dumb-Belles." For Aunt Eunice and Aunt Clara, maiden sisters ...
— The Wit and Humor of America, Volume VII. (of X.) • Various


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