Noun: platinum pla-t(u)n-um [N. Amer], pla-ti-num [Brit]
- A heavy precious metallic element; grey-white and resistant to corroding; occurs in some nickel and copper ores and is also found native in some deposits
"The jeweller crafted the ring from pure platinum";
- Pt, atomic number 78, platina [archaic]
- A whitish grey colour, like that of the metal
"She dyed her hair a striking platinum blonde"
Derived forms: platinums
Type of: noble metal
Encyclopedia: Platinum, Alaska