palladium

1 of 2

noun (1)

pal·​la·​di·​um pə-ˈlā-dē-əm How to pronounce palladium (audio)
1
capitalized : a statue of Pallas whose preservation was believed to ensure the safety of Troy
2
plural palladia pə-ˈlā-dē-ə How to pronounce palladium (audio) : something that affords effectual protection or security : safeguard sense 2a
… this political persecution being, somehow or other, the grand palladium of our liberties …Washington Irving
… lend authority to the view that the true palladium of every people is its language …Ferdinand Schevill

palladium

2 of 2

noun (2)

: a silver-white ductile malleable metallic element that is used especially in electrical contacts, as a catalyst, and in alloys see Chemical Elements Table
palladous adjective

Did you know?

Pallas Athena was one of the poetical names given to the Greek goddess Athena (although it's no longer clear what Pallas was supposed to mean), and the original palladium was a statue of Athena that was believed to have the power to protect the ancient city of Troy. When an asteroid belt was discovered between Mars and Jupiter, most of the asteroids were named after figures in Greek mythology, and one of the first to be discovered was named Pallas in 1803. In the same year, scientists isolated a new silvery metal element, which they named palladium in honor of the recently discovered asteroid.

Examples of palladium in a Sentence

Noun (1) believes that a vigorously free press is one of our nation's most vital palladia against tyranny
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Gold is too soft to hold shape on its own and is often mixed with silver, zinc, palladium, nickel or copper. Bestreviews, Chicago Tribune, 5 Feb. 2025 Image: Master & Dynamic The earphones come with foam ear tips in two sizes and silicone tips in five different sizes, and are available in four color options including gold and black, gunmetal and black, palladium and black, and palladium and white. Andrew Liszewski, The Verge, 5 Dec. 2024 Russia, for example, is a prodigious exporter of copper, nickel, palladium, and other metals so crucial that they were spared from international sanctions after Vladimir Putin launched his war on Ukraine. Vince Beiser, WIRED, 30 Nov. 2024 Additionally, industries reliant on a specific region for certain materials, such as aluminum and palladium, could experience production delays and supply shortages in the event of instability. Jochen Schwenk, Forbes, 14 Jan. 2025 See all Example Sentences for palladium 

Word History

Etymology

Noun (1)

Middle English, from Latin, from Greek palladion, from Pallad-, Pallas

Noun (2)

New Latin, from Pallad-, Pallas, an asteroid

First Known Use

Noun (1)

14th century, in the meaning defined at sense 1

Noun (2)

1803, in the meaning defined above

Time Traveler
The first known use of palladium was in the 14th century

Dictionary Entries Near palladium

Cite this Entry

“Palladium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/palladium. Accessed 12 Feb. 2025.

Kids Definition

palladium

noun
pal·​la·​di·​um
pə-ˈlād-ē-əm
: a silver-white metallic element that is used especially in alloys see element

Medical Definition

palladium

noun
pal·​la·​di·​um pə-ˈlād-ē-əm How to pronounce palladium (audio)
: a silver-white ductile malleable metallic element of the platinum group that is used especially in electrical contacts, as a catalyst, and in alloys
symbol Pd
see Chemical Elements Table

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