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Word | Platinum |
Chinese Meaning | 铂金, 铂, 白金 |
a heavy precious metallic element; gray-white and resistant to corroding; occurs in some nickel and copper ores and is also found native in some deposits / A metallic element, intermediate in value between silver and gold, occurring native or alloyed with other metals, also as the platinum arsenide (sperrylite). It is heavy tin-white metal which is ductile and malleable, but very infusible, and characterized by its resistance to strong chemical reagents. It is used for crucibles, for stills for sulphuric acid, rarely for coin, and in the form of foil and wire for many purposes. Specific gravity 21.5. Atomic weight 194.3. Symbol Pt. Formerly called platina. / a precious silvery-white metal, the chemical element of atomic number 78. It was first encountered by the Spanish in South America in the 16th century and is used in jewelry, electrical contacts, laboratory equipment, and industrial catalysts., | |
Usage | ⇒ The jewellers made of platinum are very expensive ⇒ Fuel cells contain expensive precious metals like platinum and palladium, they have not been proven to work in extreme weather conditions and the nation's gas stations would need to be reconfigured. |
Synonyms | gold, lead, silver, Pt, blond, hoary, iron, metal, milky, potassium, silvery, snowy, white, alabaster, aluminum, antimony, barium, beryllium, cadmium, chromium, |
Antonyms | |
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