Definition of Palladium

1. Noun. 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.

Exact synonyms: Atomic Number 46, Pd
Generic synonyms: Metal, Metallic Element

Definition of Palladium

1. n. Any statue of the goddess Pallas; esp., the famous statue on the preservation of which depended the safety of ancient Troy.

2. n. 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. It is unique in its power of occluding 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 weight, 106.2.

Definition of Palladium

1. Noun. A safeguard (qualifier from a statue of Athena that was believed to safeguard the ancient city of Troy). ¹

2. Noun. A metallic chemical element (''symbol'' Pd) with an atomic number of 46. ¹

¹ Source: wiktionary.com

Definition of Palladium

1. a safeguard [n -DIA or -DIUMS]

Medical Definition of Palladium

1. 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. It is unique in its power of occluding 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 weight.2. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Palladium

palkis
pall
pall-mall
palla
palladacycle
palladacycles
palladacyclic
palladate
palladates
palladation
palladia
palladic
palladiferous
palladio-
palladious
palladium (current term)
palladium hydride
palladiumized
palladiums
palladoan
palladoarsenide
palladobismutharsenide
palladobismutharsenides
palladodymite
palladous
palladseite
pallae
pallah
pallahs
pallanesthesia

Literary usage of Palladium

Below you will find example usage of this term as found in modern and/or classical literature:

1. Standard methods of chemical analysis: A Manual of Analytical Methods and by Wilfred Welday Scott (1917)
"Formic acid, zinc and iron reduce to metallic palladium. ... Preparation and Solution of the Sample The solubility of palladium has been taken up under ..."

2. Science by American Association for the Advancement of Science (1883)
"Because of its use in the growth of gold particles, hydroxyla- mine hydrochloride seemed the proper reducing agent for the growth of palladium particles. ..."

3. Analytical Chemistry by Frederick Pearson Treadwell (1921)
"Rolled, hammered, or cast palladium possesses an almost silver-white color, ... palladium has the lowest melting-point of all the platinum metals. ..."

4. Penny Cyclopaedia of the Society for the Diffusion of Useful Knowledge by Charles Knight (1840)
"Protoxide of palladium.—When carbonate of soda is added to a solution of the chloride or ... 36 One equivalent of palladium . 54 Equivalent 90 Bichloride of ..."

5. Journal of the American Chemical Society by American Chemical Society (1894)
"Beyond mere mention of the fact that he obtained palladium bromide by the action of a ... Desirous of finding a salt or salts of palladium suitable for, ..."

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