PALLADIUM

Palladium

Palladium is a chemical element with the chemical symbol Pd and an atomic number of 46. It is a rare and lustrous silvery-white metal discovered in 1803 by William Hyde Wollaston. He named it after the asteroid Pallas, which was itself named after the epithet of the Greek goddess Athena, acquired by her when she slew Pallas. Palladium, platinum, rhodium, ruthenium, iridium and osmium form a group of elements referred to as the platinum group metals . These have similar chemical properties, but palladium has the lowest melting point and is the least dense of them.

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palladium

Noun

  1. A safeguard .

Noun (etymology 2)

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


The above text is a snippet from Wiktionary: palladium
and as such is available under the Creative Commons Attribution/Share-Alike License.

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