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1 overflow
1. əuvə'flou verb(to flow over the edge or limits (of): The river overflowed (its banks); The crowd overflowed into the next room.) desbordarse, rebosar
2. 'əuvəflou noun1) (a flowing over of liquid: I put a bucket under the pipe to catch the overflow; (also adjective) an overflow pipe.) desbordamiento/exceso de líquido2) (an overflow pipe.) tubería de desagüeoverflow vb desbordarse1 (of river etc) desbordamiento; (excess liquid) líquido que sale2 (of people) exceso1 (river) desbordarse; (bath etc) rebosar2 (people) rebosar■ the church was so full that people were overflowing into the street la iglesia estaba tan llena que la gente rebosaba por la calle3 (be full of) rebosar ( with, de)1 (liquid) salirse de\SMALLIDIOMATIC EXPRESSION/SMALLto be full to overflowing estar lleno,-a hasta el bordeoverflow pipe tubo de desagüeoverflow [.o:vər'flo:] vt1) : desbordar2) inundate: inundaroverflow vi: desbordarse, rebosaroverflow ['o:vər.flo:] n1) : derrame m, desbordamiento m (de un río)2) surplus: exceso m, excedente mn.• desbordamiento (Informática) s.m.n.• cañería de desagüe s.f.• derrame s.m.• desbordamiento s.m.• husillo s.m.• inundación s.f.• llena s.f.• rebosadero s.m.• rebosar s.m.• rebose s.m.v.• aplayarse v.• derramar v.• desbordar v.• inundar v.• rebasar v.• rebosar v.• redundar v.• reverter v.
I
1. 'əʊvər'fləʊ, ˌəʊvə'fləʊa) \<\<liquid\>\> derramarse, desbordarse; \<\<bucket/bath/river\>\> desbordarseb) ( be more than full of)to overflow WITH something: the house is overflowing with junk — la casa está hasta el techo de cachivaches
2.
vt ( flow over) desbordar
II 'əʊverfləʊ, 'əʊvəfləʊa) u c ( excess)we put a bowl there to catch the overflow — pusimos un bol para recoger el líquido que se derramaba or que salía
b) c ( outlet) rebosadero m1.['ǝʊvǝflǝʊ]N (=pipe) desagüe m, tubo m de desagüe; (=outlet, hole) rebosadero m ; (=liquid) exceso m de líquido, líquido m derramado; [of people] exceso mthey made an extra room available for the overflow from the meeting — acomodaron otra sala para dar cabida al exceso de asistentes a la reunión
2.[ˌǝʊvǝ'flǝʊ]VI [liquid] rebosar, derramarse; [container, room, hall] rebosar; [river] desbordarsepeople overflowed from the hall into the streets outside — la gente desbordó la sala, inundando las calles del alrededor
3.[ˌǝʊvǝ'flǝʊ]VT [+ banks] desbordarse de, salir de; [+ fields, surrounding area] inundar4.CPDoverflow meeting N — reunión f para el exceso de público
overflow pipe N — desagüe m, tubo m de desagüe
* * *
I
1. ['əʊvər'fləʊ, ˌəʊvə'fləʊ]a) \<\<liquid\>\> derramarse, desbordarse; \<\<bucket/bath/river\>\> desbordarseb) ( be more than full of)to overflow WITH something: the house is overflowing with junk — la casa está hasta el techo de cachivaches
2.
vt ( flow over) desbordar
II ['əʊverfləʊ, 'əʊvəfləʊ]a) u c ( excess)we put a bowl there to catch the overflow — pusimos un bol para recoger el líquido que se derramaba or que salía
b) c ( outlet) rebosadero m -
2 Ctesibius (Ktesibios) of Alexandria
[br]fl. c.270 BC Alexandria[br]Alexandrian mechanician and inventor.[br]Ctesibius made a number of inventions of great importance, which he described in his book Pneumatics, now lost. The Roman engineer and architect Vitruvius quoted extracts from Ctesibius' work in his De Architectura and tells us that Ctesibius was the son of a barber and that he arranged an adjustable mirror controlled by a lead counterweight descending in a cylinder. He noticed that the weight compressed the air, which could be released with a loud noise. That led him to realize that the air was a body or substance: by means of a cylinder and plunger, he went on to invent an air pump with valves. This he connected to the keyboard and rows of pipes of an organ. He also invented a force pump for water.Ctesibius also improved the clepsydra or water clock, which measured time by the fall of water level in a vessel as the water escaped through a hole in the bottom. The rate of flow varied as the level dropped, so Ctesibius interposed a cistern with an overflow pipe, enabling the water level to be maintained; there was thus a constant flow into a cylinder and the passage of time was indicated by a float with a pointer. He fitted a rack to the float which turned a toothed wheel, to activate bells, singing birds or other "toys". This is probably the first known use of toothed gearing.Ctesibius is credited with some other inventions of a military nature, such as a catapult, but it was his pumps that established a tradition in antiquity for mechanical invention using the pressure of the air and other fluids, stretching through Philo of Byzantium (c.150 BC) and Hero of Alexandria (c.62 AD) and on through Islam into medieval Western Europe.[br]Further ReadingA.G.Drachmann, 1948, Ktesibios, Philon and Heron: A Study in Ancient Pneumatics, Copenhagen: Munksgaard (Acta Hist. Sci. Nat. Med. 4).LRDBiographical history of technology > Ctesibius (Ktesibios) of Alexandria
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