Look up: Platinum

1. 
   Platinum
   Platinum is a rare metal more valuable than gold with the symbol Pt and a relative hardness of 5. It has a high melting point and is resistant to chemicals.
   Found on http://www.encyclo.co.uk/nol.php
   
   
2. 
   platinum
   [Adjective] A platinum record is one which sells between 300, 000 and 600,000 copies in the UK, and over one million in the USA.
   Example: The pop singer made it to a platinum record with his latest release.
   Found on http://www.bbc.co.uk/skillswise/glossary
   
   
3. 
   platinum
   [n] - a heavy precious metallic element
   Found on http://www.webdictionary.co.uk/definitio
   
   
4. 
   Platinum
   Platinum is a member of the platinum group metals and is lustrous, malleable and ductile. Of the group of six metals (Pt, Pd, Os, Ir, Rh and Ru), it is the most important. It is unaffected by oxygen and water and is only soluble in aqua regia or fused alkalis. Applications for platinum are many and varied; for example, it is used to make weights an...
   Found on http://www.diracdelta.co.uk/science/sour
   
   
5. 
   Platinum
   A metallic silvery-white chemical element with the properties of being hard and relatively inert, and having a very high melting point. Commonly used in jewellery, electrical and laboratory equipment, and industrial catalysts.
   Found on http://www.mhs.ox.ac.uk/marconi/collecti
   
   
6. 
   Platinum
   A noble metal which in its pure form is the negative wire of Type R and Type S thermocouples.
   Found on http://www.flowmeterdirectory.com/flowme
   
   
7. 
   platinum
   a greyish-white,soft and ductile metal,not tarnished at room temperature and resistant to acids except aqua regia Category: Chemistry
   Found on http://www.mijnwoordenboek.nl/definition
   
   
8. 
   platinum
   Valuable, rare and untarnishable, silvery-white metal-harder, stronger and with a higher melting point than gold. Platinum was first used to make jewellery in South America from the 15thC, both in its pure form and mixed with gold. It only appeared in Europe as a decorative medium in the mid-19thC when the oxy-hydrogen blowpipe made it possible to ...
   Found on http://www.antique-crafts.co.uk/glossary
   
   
9. 
   Platinum
   Plat'i·num noun [ New Latin , from Spanish platina , from plata silver, Late Latin plata a thin plate of metal. See Plate , and confer Platina .] (Chemistry) 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 ...
   Found on http://www.encyclo.co.uk/webster/P/103
   
   
10. 
    platinum
    <chemistry> 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 characterised by its resistance to strong chemical reagents. It is used for crucibles, for ...
    Found on http://www.mondofacto.com/facts/dictiona
    
    
11. 
    platinum
    Pt noun 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
    Found on http://wordnet.princeton.edu/perl/webwn?
    
    
12. 
    Platinum
    `Platinum` is a chemical element with the atomic symbol `Pt` and an atomic number of 78. It is in group 10 of the Periodic Table of Elements. A heavy, malleable, ductile, precious, gray-white transition metal, platinum is resistant to corrosion and occurs in some nickel and copper ores along with some native deposits. Platinum is used in jewellery, laboratory equipment, electrical contacts, dentistry, and automobile emissions control devices. Pla...
    Found on http://en.wikipedia.org/wiki/Platinum
    
    
13. 
    platinum
    (Pt) (plat´ĭ-nәm) a chemical element, atomic number 78, atomic weight 195.09.
    Found on http://www.mercksource.com/pp/us/cns/cns
    
    
14. 
    Platinum
    • (n.) 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 still...
    Found on http://thinkexist.com/dictionary/meaning
    
    
15. 
    platinum
    (Pt), chemical element, the best known and most widely used of the six platinum metals of Group VIIIb, Periods 5 and 6, of the periodic table. A very ... [12 related articles]
    Found on http://www.britannica.com/eb/a-z/p/78
    
    
16. 
    platinum
    A metallic element, atomic no. 78, atomic wt. 195.08, used for making small parts for chemical apparatus because of its resistance to acids; in powdered form (platinum black), it is an important catalyst in hydrogenation. Some of its salts have been used in the treatment of syphilis. A derivative, cisplatin, is used as an antineoplastic agent. [Mo...
    Found on
    
    
17. 
    platinum
    (Pt) Specimen of sperrylite: a rare mineral that is the only native compound of platinum. Photo from MII, courtesy of the Smithsonian Institution A lustrous, silvery-white metallic element; a transition element. It was known to native South Americans before the arrival ...
    Found on http://www.daviddarling.info/encyclopedi
    
    
18. 
    platinum
    platinum (plăt'unum) , metallic chemical element; symbol Pt; at. no. 78; at. wt. 195.08; m.p. 1,772°C; b.p. 3,827±100°C; sp. gr. 21.45 at 20°C; valence +2 or +4. Pure platinum is a malleable, ductile, lustrous, silver-white metal with a face-centered cubic crystalline stru...
    Found on http://www.infoplease.com/ce6/sci/A08393