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- DictionaryPlat·i·num/ˈpladənəm/
noun
- 1. a precious silvery-white metal, the chemical element of atomic number 78. It was first encountered by the Spanish in South America in the 16th century, and is used in jewelry, electrical contacts, laboratory equipment, and industrial catalysts.
The meaning of PLATINUM is a precious grayish-white noncorroding ductile malleable heavy metallic element that fuses with difficulty and is used especially in chemical ware and apparatus, as a catalyst, and in dental and jewelry alloys.
A soft, ductile, malleable, silver-white metallic element that usually occurs with osmium, iridium, palladium, or nickel. It has a high melting point and does not corrode in air. Platinum is used as a catalyst and in making jewelry, electrical contacts, and dental crowns.
Platinum is a chemical element; it has symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name originates from Spanish platina, a diminutive of plata "silver". Platinum is a member of the platinum group of elements and group 10 of the periodic table of elements.
PLATINUM definition: 1. a chemical element that is an extremely valuable silver-coloured metal, used in jewellery and in…. Learn more.
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Definitions of platinum. 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. synonyms: Pt, atomic number 78. see more. Pronunciation. US.
platinum. noun. /ˈplætɪnəm/. /ˈplætɪnəm/. [uncountable] (symbol Pt) a chemical element. Platinum is a silver-grey precious metal, used in making expensive jewellery and in industry. Topics Physics and chemistry c2, Clothes and Fashion c2.
PLATINUM definition: a silver-coloured metal that is very valuable (symbol Pt). Learn more.
