platinum definition

  • noun:
    • A silver-white metallic factor happening around the world, generally mixed with other metals such as iridium, osmium, or nickel. Its ductile and malleable, cannot oxidize in air, and it is used as a catalyst as well as in electrical elements, jewellery, dental care, and electroplating. Atomic number 78; atomic fat 195.08; melting point 1,772°C; boiling-point 3,827°C; specific-gravity 21.45; valence 2, 3, 4. See Table at element.
    • A medium to light-gray.
    • The metallic substance element with atomic number 78 and image Pt.
    • A whitish gray colour, like that of the material.
    • just one or record album which have accomplished platinum product sales, in other words. over 1 million or 2 million.
    • A metallic element of atomic number 78, one of the noble metals, classed with gold and silver as a precious material, happening native or alloyed along with other metals as well as due to the fact platinum arsenide (sperrylite). It's a heavy tin-white steel that will be ductile and malleable, but very infusible (melting point 1772° C), and described as its resistance to strong substance reagents. It is utilized for crucibles in laboratory businesses, as a catalyst, in jewelry, for stills for sulphuric acid, hardly ever for money, plus the type of foil and line for most functions. Specific-gravity 21.5. Atomic body weight 195.1. Symbolization Pt. Formerly called platina.
    • Chemical icon, Pt; atomic body weight, 194.9. An important steel, introduced into Europe about the middle of the eighteenth century from South America.
    • huge precious metallic element; grey-white and resistant to corroding; happens in some nickel and copper ores and is particularly found native in some deposits
  • adjective:
    • Of a whitish gray colour, like that of this metal.
    • Of a musical recording that features offered over one million copies (for singles), or two million (for albums).

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