palladium
puh lay dee uhm
- n 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
- The scientists tried an array of exotic elements for their electrodes, including palladium, a semiprecious metal known to absorb large numbers of hydrogen -- and deuterium -- atoms.
- In their experiment, Pons and Fleischmann immersed electrodes of palladium and platinum in a bath of heavy water -- water whose ordinary hydrogen has been replaced with an isotope .
- Bromide prints, "transfers," lithographs, "palladium" prints and many other types of media showed the variety and aesthetic quality which camera art has attained.