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palladium    音标拼音: [pəl'ediəm]
n. 钯



palladium
n 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: {palladium}, {Pd},
{atomic number 46}]

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 ancient Troy.
[1913 Webster]

2. Hence: That which affords effectual protection or
security; a safeguard; as, the trial by jury is the
palladium of our civil rights. --Blackstone.
[1913 Webster]


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 more easily fusible, with
a melting point of 1555[deg] C. It can also be prepared as a
finely divided black powder. It is unique in its power of
absorbing hydrogen, which it does to the extent of nearly a
thousand volumes, forming the alloy {Pd2H}. It is used for
graduated circles and verniers, for plating certain silver
goods, and somewhat in dentistry. It was so named in 1804 by
Wollaston from the asteroid Pallas, which was discovered in
1802. Symbol Pd. Atomic number, 46. Atomic weight, 106.42.
Density 12.0.
[1913 Webster]


Pd \Pd\ prop. n.
The chemical symbol for {palladium}, an element of the
platinum group, of atomic number 46.

Syn: palladium.
[WordNet 1.5]

61 Moby Thesaurus words for "palladium":
aegis, arm guard, backstop, buffer, bulwark, bumper, contraceptive,
copyright, crash helmet, cushion, dashboard, dodger, face mask,
fender, finger guard, foot guard, fuse, goggles, governor, guard,
guardrail, hand guard, handrail, hard hat, helmet, insulation,
interlock, knee guard, knuckle guard, laminated glass,
life preserver, lifeline, lightning conductor, lightning rod, mask,
mudguard, nose guard, pad, padding, patent, pilot, preventive,
prophylactic, protective clothing, protective umbrella, safeguard,
safety, safety glass, safety plug, safety rail, safety shoes,
safety switch, safety valve, screen, seat belt, shield, shin guard,
sun helmet, umbrella, windscreen, windshield


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  • Palladium - Wikipedia
    Palladium is a chemical element; it has the symbol Pd and atomic number 46 It is a rare and lustrous silvery-white metal discovered in 1802 by the English chemist William Hyde Wollaston
  • Palladium | Uses, Properties, Facts | Britannica
    palladium (Pd), chemical element, the least dense and lowest-melting of the platinum metals of Groups 8–10 (VIIIb), Periods 5 and 6, of the periodic table, used especially as a catalyst (a substance that speeds up chemical reactions without changing their products) and in alloys
  • Live USD Palladium Price Charts Historical Data | APMEX
    What is the Palladium price? Get live Palladium prices and see the APMEX Palladium chart You will find Palladium spot prices today and the price of Palladium per ounce
  • Palladium Facts - Pd or Atomic Number 46 - Science Notes and Projects
    Palladium is a silvery-white metal used in jewelry, catalysts, electronics, and fuel cells Palladium is a lustrous silver-white metal with element symbol Pd and atomic number 46 It has important uses, ranging from electronics to catalysis Common uses include jewelry and catalytic converters
  • Palladium Price Today | Price of Palladium Per Ounce | 24 Hour Spot . . .
    Live Palladium Charts and Palladium Spot Price from International Palladium Markets, Prices from New York, London, Hong Kong and Sydney provided by Kitco
  • Palladium Is Mooning: Here’s Why The Rally Will Continue - Forbes
    Historically, palladium has traded at parity with gold and has even been twice its current price in recent years Today, it’s significantly lagging gold A move back to parity seems plausible –
  • Palladium: What It Is, Why It’s Valuable, and Should You Own It?
    What is Palladium? Palladium is a shiny metal with a silvery-white appearance It’s a member of the platinum group of metals along with rhodium and platinum Palladium is extremely useful due to its malleability and resistance to corrosion at normal temperatures
  • Facts About Palladium - Live Science
    Shiny, silvery palladium is the element that gives white gold its color and a crucial component of fuel cells and catalytic converters Discovered in 1803 and named after an asteroid, palladium
  • What is Palladium and Why is it so Valuable? - Borro
    In the world of precious metals, gold, silver, and platinum often take the spotlight However, in recent years, a lesser-known metal has surpassed them all in value: palladium This silvery-white metal is a key component in a wide range of industries, and its rarity has made it a hot commodity
  • Palladium Real-Time Quote - Markets Insider
    Live Palladium price in USD: On this site you get the real-time price of Palladium in US-Dollar





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