Palladium Definition

pə-lādē-əm
palladia
noun
A rare, silver-white, ductile, malleable chemical element, one of the platinum metals: it is used as a catalyst, esp. in hydrogenation processes, or in alloys with gold, silver, and other metals: symbol, Pd; at. no. 46
Webster's New World
A safeguard, especially one viewed as a guarantee of the integrity of social institutions.
The Bill of Rights, palladium of American civil liberties.
American Heritage
In ancient Greece and Rome, any statue of the Greek goddess Pallas Athena; specif., the legendary statue in Troy on the preservation of which the safety of the city was supposed to depend.
Webster's New World
Anything supposed to ensure the safety of something; safeguard.
Webster's New World
A sacred object that was believed to have the power to preserve a city or state possessing it.
American Heritage
Synonyms:
  • atomic number 46
  • p.d.
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other
An important industrial metal that has a variety of uses. Automotive catalysts use 63 percent of the demand for palladium; electronic equipment accounts for about 21 percent; dental alloys make up about 12 percent; and the remainder is used for jewelry. Most of the production, around two-thirds, comes from Russia; South Africa makes up just under one-fourth of production; the remainder comes from North America. Palladium futures are traded on the New York Mercantile Exchange; however, the volume is very modest. Other exchanges also trade palladium futures.
Webster's New World Finance

Other Word Forms of Palladium

Noun

Singular:
palladium
Plural:
palladia

Origin of Palladium

  • Middle English Palladion a statue of Pallas Athena believed to protect Troy from Old French palladion from Latin Palladium from Greek Palladion from Pallas Pallad- Pallas Athena

    From American Heritage Dictionary of the English Language, 5th Edition

  • The sense of "safeguard" comes from Latin Palladium (the image of Pallas that protected Troy), from Ancient Greek Παλλάδιον (Palladion), from Παλλάς (Pallas), an alternative name for Athena.

    From Wiktionary

  • The element was named after Pallas, an asteroid that had been discovered two years before the element.

    From Wiktionary

  • From Pallas (discovered at the same time as the element)

    From American Heritage Dictionary of the English Language, 5th Edition

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