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Definition of Palladium in English :

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Palladium meaning in English

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Palladium

see synonyms of palladium

Noun

1. atomic number 46, palladium, pd

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

WordNet Lexical Database for English. Princeton University. 2010.

Palladium

see synonyms of palladium
noun
a ductile malleable silvery-white element of the platinum metal group occurring principally in nickel-bearing ores: used as a hydrogenation catalyst and, alloyed with gold, in jewellery. Symbol: Pd; atomic no: 46; atomic wt: 106.42; valency: 2, 3, or 4; relative density: 1202; melting pt: 1555°C; boiling pt: 2964°C
noun
something believed to ensure protection; safeguard
noun
a statue of Pallas Athena, esp the one upon which the safety of Troy depended

Collins English Dictionary. Copyright © HarperCollins Publishers

Palladium

see synonyms of palladium
nounWord forms: plural Palˈladia (pəˈleɪdiə ; pəlāˈdēə)
1. 
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
2.  [p-]
anything supposed to ensure the safety of something; safeguard
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
see the periodic table of elements in the Reference Supplement

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

Palladium

see synonyms of palladium
n. Symbol Pd
A soft, ductile, lustrous gray-white, tarnish-resistant, metallic element occurring naturally with platinum, especially in gold, nickel, and copper ores. Because it can absorb large amounts of hydrogen, it is used as a purification filter for hydrogen and a catalyst in hydrogenation. It is alloyed for use in electric contacts, jewelry, nonmagnetic watch parts, and surgical instruments. Atomic number 46; atomic weight 106.4; melting point 1,554.8°C; boiling point 2,963°C; specific gravity 12.02 (20°C); valence 2, 3, 4. See Periodic Table.
n. pl. pal·la·di·a (-dē-ə) or pal·la·di·ums
1. A safeguard, especially one viewed as a guarantee of the integrity of social institutions: the Bill of Rights, palladium of American civil liberties.
2. A sacred object that was believed to have the power to preserve a city or state possessing it.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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