Main definitions of palladium in English

: palladium1palladium2

palladium1

noun

  • The chemical element of atomic number 46, a rare silvery-white metal resembling platinum.

    • ‘There is a growing interest in the assessment of health risks posed by increased human exposure to some platinum group metals, namely platinum, rhodium and palladium.’
    • ‘You can, with Kallitype, start with a noble metal, silver, which can be toned with the more noble metals gold, palladium and platinum, and through double or triple toning produce prints with split tones.’
    • ‘To this group belong the important steel alloying elements nickel and manganese, as well as cobalt and the inert metals ruthenium, rhodium, palladium, osmium, iridium and platinum.’
    • ‘But since it was divested of most of its assets, it now concentrates on mining rare metals such as platinum, palladium and rhodium in Africa and other regions.’
    • ‘These metals include platinum, palladium, and rhodium.’

Origin

Early 19th century: modern Latin, from Pallas, the name given to an asteroid discovered (1802) just before the element.

Pronunciation:

palladium

/pəˈlādēəm/

Main definitions of palladium in English

: palladium1palladium2

palladium2

noun

Archaic
  • A safeguard or source of protection.

    • ‘The icon of the Virgin of Vladimir acts in a similar way as a palladium of the Russian Church and state.’
    • ‘The philosophy of Descartes established this principle, which is the palladium of science; and thus the third preliminary condition was fulfilled.’
    • ‘Vixum is best remembered for installing the Phra Bang as the palladium (protector) of the Lan xang kings.’
    • ‘References to the bird are peppered throughout Guatemala's national anthem, in which the quetzal is compared with the condor and the royal eagle and is described as a palladium or protector of the soil.’

Origin

Late Middle English (in the Greek sense): via Latin from Greek palladion, denoting an image of the goddess Pallas (Athena), on which the safety of Troy was believed to depend.

Pronunciation:

palladium

/pəˈlādēəm/