palladium

palladium
/peuh lay"dee euhm/, n. Chem.
a rare metallic element of the platinum group, silver-white, ductile and malleable, harder and fusing more readily than platinum: used chiefly as a catalyst and in dental and other alloys. Symbol: Pd; at. wt.: 106.4; at. no.: 46; sp. gr.: 12 at 20°C.
[special use of PALLADIUM; named (1803) after the asteroid PALLAS, then newly discovered; see -IUM]

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      in Greek religion, image of the goddess Pallas ( Athena), especially the archaic wooden statue of the goddess that was preserved in the citadel of Troy as a pledge of the safety of the city. As long as the statue was kept safe within Troy, the city could not be conquered. It was said that Zeus, the king of the gods, threw the statue down from heaven when the city of Ilium (Troy) was founded and that the Greek warriors Odysseus and Diomedes carried it off from the temple of Athena in Troy, thus making the Greek capture of Troy possible. Many cities in Greece and Italy claimed to possess the genuine Trojan Palladium, but it was particularly identified with the statue brought to Italy by the hero Aeneas after Troy's destruction and preserved in the shrine of the goddess Vesta at Rome. The Palladium was a common subject in Greek art, as was its theft in literature.

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  • Palladium — (pronounced pəˈleɪdiəm) is a rare and lustrous silvery white metal that was discovered in 1803 by William Hyde Wollaston, who named it palladium after the asteroid Pallas, which in turn, was named after the epithet of the Greek goddess Athena,… …   Wikipedia

  • PALLADIUM — Palladis simulacrum, quod Romae in aede Vestae fuit, cuius meminit Herodian. l. 1. c. 14. Id fuit e ligno compactum, movens oculos, atque hastam, quam manu gestabat, ut seribit Servius. Nam cum apud Troiam in honorem Palladis arx, et in eius… …   Hofmann J. Lexicon universale

  • palladium — 1. (pal la di om ; on a prononcé aussi pal la di on) s. m. 1°   Statue de Pallas, qui passait pour le gage de la conservation de Troie. •   Le palladium, quoique tombé du ciel, n était qu un gage sacré de la protection de Pallas ; c était elle qu …   Dictionnaire de la Langue Française d'Émile Littré

  • Palladium — Palladium, ein hölzernes Bild der Pallas Athene von großer Berühmtheit. Vom Himmel herab war es gefallen, glückbringend, schirmend, schützend; daher rühmten sich mehrere Städte des Alterthums eines solchen, soz. B. Athen, Rom, Troja u. A.… …   Damen Conversations Lexikon

  • Palladium [1] — Palladium Pd, Element aus der Gruppe der Platinmetalle, findet sich als steter. Begleiter der Platinerze (zu 5–10%, auch im Goldsande Brasiliens). Weißgrau, mit starkem Metallglanz, an der Luft unveränderlich, löslich in Salz , Salpeter und… …   Lexikon der gesamten Technik

  • Palladium — Pal*la di*um (p[a^]l*l[=a] d[i^]*[u^]m), n. [L., fr. Gr. Palla dion, fr. Palla s, Palla dos, Pallas.] [1913 Webster] 1. (Gr. Antiq.) Any statue of the goddess Pallas; esp., the famous statue on the preservation of which depended the safety of… …   The Collaborative International Dictionary of English

  • palladium — (n.) c.1600, safeguard, originally (late 14c.) sacred image of PALLAS (Cf. Pallas) Athene, from L. palladium, from Gk. Palladion, neut. of Palladios of Pallas. It stood in the citadel of Troy and the safety of the city was believed to depend on… …   Etymology dictionary

  • Palladium — (Nasielsk,Польша) Категория отеля: Адрес: ul. Polskiej Organizacji Wojskowej 24 A, 05 190 …   Каталог отелей

  • Palladium — Pal*la di*um, n. [NL.] (Chem.) A rare metallic element of the light platinum group, found native, and also alloyed with platinum and gold. It is a silver white metal resembling platinum, and like it permanent and untarnished in the air, but is… …   The Collaborative International Dictionary of English

  • Palladium — Palladium, chemisches Zeichen Pd, Atomgewicht 53 (H = 1), 662.5 (O = 100), ein in den Platinerzen vorkommendes seltenes Metall, wurde zuerst von Förster 1803 als ein neues Metall unter diesem Namen verkäuflich ausgeboten, von Wollaston aber näher …   Pierer's Universal-Lexikon

  • Palládium [1] — Palládium Pd, eins der Platinmetalle, das zu etwa 2 Proz. im Platinerz, zu 5–10 Proz. in einigen Sorten brasilischen Goldes, fast rein im brasilischen Platinsand und außerdem in selenhaltigen Erzen von Tilkerode und spurenweise in Blei und… …   Meyers Großes Konversations-Lexikon

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