Palladium

n. statue of the goddess Athena located in Troy

n. (Pd) rare metallic element (Chemistry)

n. defense mechanism, safeguard, something that protects; refuge, shelter, sanctuary

Palladium (IPA: ) is a chemical element with symbol Pd and atomic number 46. It is a rare silver white transition metal of the platinum group, resembling platinum chemically. It was discovered in platinum ores in 1803, and named after the asteroid Pallas by William Hyde Wollaston.Palladium is usually found as a free metal, alloyed with others in the platinum group. It is commercially extracted from copper-nickel ores. Palladium has a great affinity for hydrogen, being able to absorb 900 times its own volume of the gas. Palladium metal and its complexes are often used in catalysis such as in catalytic converters on cars, palladium on carbon used in organic chemistry, and other coupling reactions. As a precious metal, it is sometimes used in jewelry, and has the ISO currency code of XPD. Palladium as an investment has attracted recent investment interests. In early 2007, several ETFs backed by physical palladium were launched, including London ETF Security and ZKB Palladium ETF.
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Originally, palladium referred to a statue of anyone called "Pallas". It is a Latinization of the Greek word παλλαδιον, often transliterated as "palladion". More information may be found at Pallas (disambiguation).In Greek and Roman mythology, Palladium may also refer to the following:Palladium (mythology), the use of the term in Greek and Roman mythologyA statue of Pallas erected by AthenaA cult figure of the Greek goddess AthenaPalladium, or variants thereof, may also refer to:Palladium (band), Alternative Rock bandPalladium, the chemical elementThe Hollywood Palladium, a theater on the Sunset Strip that opened in 1940The London Palladium, a theatre in London owned by Andrew Lloyd-Webber The Palladium Ballroom, credited as the origin of the mambo craze in the USPalladium Fantasy Role-Playing Game or Palladium Books, the publishers thereofPalladian, a style of architecture created by Andrea PalladioScotiabank Place, a sports arena in Ottawa, originally named "The Palladium"Next-Generation Secure Computing Base, a trusted computing initiative began by Microsoft that was codenamed "Palladium""Palladium", one of the ISO 4217 currency codesThe Palladium (club), a dance club in New York City popular during the 1980sThe Palladium Niteclub, a night club in Christchurch City from 1986 - 1998"Palladíum", a song by Weather Report from their 1977 album Heavy WeatherPalladium, a famous nightclub in Acapulco, MexicoPalladium, a tape music, concrete music, album by Autopsia.
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Noun
1. a silver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry
(synonym) Pd, atomic number 46
(hypernym) metallic element, metal

n. Palladium, statue of the goddess Athena located in Troy

n. Pd, Palladium, rare metallic element (Chemistry)

n. Palladium, rare metallic element (Chemistry)