1 文書を見つけるための辞書。

• palladium, pd, atomic number 46
• パラジウム
• 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
• プラチナに似た白金族の銀白色の金属元素