| 单词 | platinum |
| 释义 | platinum n. Chem. a ductile malleable silvery-white metallic element occurring naturally in nickel and copper ores, unaffected by simple acids and fusible only at a very high temperature, used in making jewellery and laboratory apparatus. Usage Symb.: Pt. Phrases and idioms platinum black platinum in powder form like lampblack. platinum blonde (or blond) adj. silvery-blond. --n a person with silvery-blond hair. platinum metal any metallic element found with and resembling platinum e.g. osmium, iridium, and palladium. Etymology: mod.L f. earlier platina f. Sp., dimin. of plata silver |
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