An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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platinum group element (PGE)
  بن‌پار ِ گروه ِ پلاتین  
bonpâr-e goruh-e pelâtin
Fr.: élément du groupe du platine  

One of the six metals → platinum (Pt), → iridium (Ir), → osmium (Os), → palladium (Pd), → rhenium (Rh), and → ruthenium (Ru) that are grouped together in the → periodic table. They are relatively hard and resistant to corrosion and are used in jewellery and in some industrial applications. All are resistant to chemical attack.

See also: → platinum; → group; → element.