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ITER

ITER (International Thermonuclear Experimental Reactor, and is also Latin for "the way") is an international nuclear fusion research and engineering megaproject, which will be the world's largest magnetic confinement plasma physics experiment. It is an experimental tokamak nuclear fusion reactor that is being built next to the Cadarache facility in Saint-Paul-lès-Durance, south of France.

The ITER project aims to make the long-awaited transition from experimental studies of plasma physics to full-scale electricity-producing fusion power stations. The ITER fusion reactor has been designed to produce 500 megawatts of output power for several seconds while needing 50 megawatts to operate. Thereby the machine aims to demonstrate the principle of producing more energy from the fusion process than is used to initiate it, something that has not yet been achieved in any fusion reactor.

The project is funded and run by seven member entities—the European Union, India, Japan, China, Russia, South Korea, and the United States. The EU, as host party for the ITER complex, is contributing about 45 percent of the cost, with the other six parties contributing approximately 9 percent each.

Construction of the ITER Tokamak complex started in 2013 and the building costs are now over US$14 billion as of June 2015, some 3 times the original figure. The facility is expected to finish its construction phase in 2019 and will start commissioning the reactor that same year and initiate plasma experiments in 2020 with full deuteriumtritium fusion experiments starting in 2027. If ITER becomes operational, it will become the largest magnetic confinement plasma physics experiment in use, surpassing the Joint European Torus. The first commercial demonstration fusion power station, named DEMO, is proposed to follow on from the ITER project.

The Collaborative International Dictionary

Iter

Iter \I"ter\, n. [L. See Eyre.] (Anat.) A passage; esp., the passage between the third and fourth ventricles in the brain; the aqueduct of Sylvius.

Wiktionary

iter

n. (context anatomy English) A passage, especially the passage between the third and fourth ventricles in the brain; the cerebral aqueduct.

Usage examples of "iter".

Alterum ad Gaium Fabium legatum mittit, ut in Atrebatium fines legionem adducat, qua sibi iter faciendum sciebat.

Cassivellaunus, ut supra demonstravimus, omni deposita spe contentionis dimissis amplioribus copiis milibus circiter quattuor essedariorum relictis itinera nostra servabat paulumque ex via excedebat locisque impeditis ac silvestribus sese occultabat, atque eis regionibus quibus nos iter facturos cognoverat pecora atque homines ex agris in silvas compellebat et, cum equitatus noster liberius praedandi vastandique causa se in agros eiecerat, omnibus viis semitisque essedarios ex silvis emittebat et magno cum periculo nostrorum equitum cum eis confligebat atque hoc metu latius vagari prohibebat.

Adhortatus milites, ne necessario tempore itineris labore per moveantur, cupidissimis omnibus progressus milia passuum XXV agmen Aeduorum conspicatus immisso equitatu iter eorum moratur atque impedit interdicitque omnibus ne quemquam interficiant.

Magno horum coacto numero, cum Caesar in Sequanos per extremos Lingonum fines iter faceret, quo facilius subsidium provinciae ferri posset, circiter milia passuum decem ab Romanis trinis castris Vercingetorix consedit convocatisque ad concilium praefectis equitum venisse tempus victoriae demonstrat.

Fugato omni equitatu Vercingetorix copias, ut pro castris collocaverat, reduxit protinusque Alesiam, quod est oppidum Mandubiorum, iter facere coepit celeriterque impedimenta ex castris educi et se subsequi iussit.

Labienus primo vineas agere, cratibus atque aggere paludem explere atque iter munire conabatur.

Itaque admodum magnis diurnis nocturnisque itineribus confectis contra omnium opinionem ad Ligerem venit vadoque per equites invento pro rei necessitate opportuno, ut brachia modo atque humeri ad sustinenda arma liberi ab aqua esse possent, disposito equitatu qui vim fluminis refringeret, atque hostibus primo aspectu perturbatis, incolumem exercitum traduxit frumentumque in agris et pecoris copiam nactus repleto his rebus exercitu iter in Senones facere instituit.

Hac iter Elysium nobis: at lava malorum Exercet poenas, et ad impia Tartara mittit.

Cassivellaunus, ut supra demonstravimus, omni deposita spe contentionis dimissis amplioribus copiis milibus circiter quattuor essedariorum relictis itinera nostra servabat paulumque ex via excedebat locisque impeditis ac silvestribus sese occultabat, atque eis regionibus quibus nos iter facturos cognoverat pecora atque homines ex agris in silvas compellebat et, cum equitatus noster liberius praedandi vastandique causa se in agros eiecerat, omnibus viis semitisque essedarios ex silvis emittebat et magno cum periculo nostrorum equitum cum eis confligebat atque hoc metu latius vagari prohibebat.