Definition of Platinum 1. 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 Noun Synonyms for word "platinum" Semanticaly linked words with "platinum" Hyponims for word "platinum" etymology multiplatinum etymology nonplatinum etymology platiniferous etymology platiniridium etymology platinumed etymology platinumlike etymology radioplatinum etymology pelatinam etymology platinum etymologically related platina etymological origin of platina [Spanish, Castilian] is derived from Paraplatin is derived from carboplatin is derived from cisplatin is derived from eka-platinum is derived from go platinum is derived from iridio-platinum is derived from oxaliplatin is derived from platin- is derived from platinammonium chloride is derived from platinate is derived from platinic is derived from platiniferous is derived from platiniridium is derived from platinise is derived from platinite is derived from platinize is derived from platino- is derived from platinocyanide is derived from platinode is derived from platinoid is derived from platinous is derived from platinum arsenide is derived from platinum blond is derived from platinum blonde is derived from platinum coney is derived from platinum dichloride is derived from platinum disc is derived from platinum disk is derived from platinum fox is derived from platinum hexafluoride is derived from platinum metal is derived from platinum mink is derived from platinum sponge is derived from platinum tetrachloride is derived from platinum-black is derived from platinum-blue is derived from platinum-grey is derived from platinum-iridium is derived from platinum-lamp is derived from platinum-steel is derived from platinum-zinc is derived from platinumed is derived from platinums is derived from potassio-platinum chloride