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1. (n.) platinum
a heavy, grayish white, highly malleable and ductile metallic chemical element, resistant to most chemicals, practically unoxidizable except in the presence of bases, and fusible only at extremely high temperatures: used for making chemical and scientific apparatus, as a catalyst in the oxidation of ammonia to nitric acid, and in jewelry.
2. platinum
a light, metallic gray with very slight bluish tinge when compared with silver.
3. (adj.) platinum
(of a recording, compact disc, or cassette) having sold a minimum of one million copies.
Etymology: (1805–15; < NL, alter. of earlier platina < Sp; see platina)
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| Definition of 'PLATINUM' |
Princeton's WordNet |
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1. (noun) platinum, Pt, atomic number 78
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
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| Definition of 'PLATINUM' |
Webster Dictionary |
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1. (noun) PLATINUM
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
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| Definition of 'PLATINUM' |
U.S. National Library of Medicine |
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1. PLATINUM
Platinum. A heavy, soft, whitish metal, resembling tin, atomic number 78, atomic weight 195.09, symbol Pt. (From Dorland, 28th ed) It is used in manufacturing equipment for laboratory and industrial use. It occurs as a black powder (platinum black) and as a spongy substance (spongy platinum) and may have been known in Pliny's time as "alutiae".
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Sense: (of) an element, a heavy, valuable grey metal, often used in making jewellery
a platinum ring.
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 Afrikaans: platinum |
 Arabic: بْلاتين، ذَهَب أبْيَض |
 Bulgarian: платина |
 Brazilian: platina |
 Czech: platina; platinový |
 German: das Platin, Platin-... |
 Danish: platin |
 Greek: λευκόχρυσος, πλατίνα |
 Spanish: platino |
 Estonian: plaatina |
 Farsi: پلاتین |
 Finnish: platina |
 French: (de) platine |
 Hebrew: פְּלָטִינָה |
 Hindi: प्लैटिनम |
 Croatian: platina |
 Hungarian: platina |
 Indonesian: platina |
 Icelandic: platína |
 Italian: platino; di platino |
 Japanese: プラチナ |
 Korean: 백금 |
 Lithuanian: platina |
 Latvian: platīns |
 Malay: platinum |
 Dutch: platina |
 Norwegian: platina |
 Polish: platyna, platynowy |
 Persian: پلاتین |
 Pashto: پلاتين |
 Portuguese: platina |
 Romanian: (de/din) platină |
 Russian: платина |
 Slovak: platina; platinový |
 Slovenian: platina |
 Serbian: platina |
 Swedish: platina |
 Thai: ทองคำขาว |
 Turkish: platin |
 Taiwanese: 鉑，白金 |
 Ukrainian: платина |
 Urdu: پلانٹيم، نقرشہ |
 Vietnamese: bạch kim |
 Chinese: 铂，白金 |
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Definitions of PLATINUM 
