Pd

prop. n.

1.

The chemical symbol for palladium, an element of the platinum group of atomic number 46.

Noun

1.

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 Synonyms: atomic number 46, palladium

PD - public domain

Public DOMAINatomic number 46, metal, metallic element, palladium