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- Dictionaryplatinum/ˈplatɪnəm/
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 jewellery, electrical contacts, laboratory equipment, and industrial catalysts.
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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.
PLATINUM definition: 1. a chemical element that is an extremely valuable silver-coloured metal, used in jewellery and in…. Learn more.
Platinum is a member of the platinum group of elements and group 10 of the periodic table of elements. It has six naturally occurring isotopes. It is one of the rarer elements in Earth's crust, with an average abundance of approximately 5 μg /kg.
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.
a ductile malleable silvery-white metallic element, very resistant to heat and chemicals. It occurs free and in association with other platinum metals, esp in osmiridium: used in jewellery, laboratory apparatus, electrical contacts, dentistry, electroplating, and as a catalyst.
Definition of platinum noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
PLATINUM definition: a silver-coloured metal that is very valuable (symbol Pt). Learn more.
platinum. ( ˈplætɪnəm) n. 1. (Elements & Compounds) a ductile malleable silvery-white metallic element, very resistant to heat and chemicals. It occurs free and in association with other platinum metals, esp in osmiridium: used in jewellery, laboratory apparatus, electrical contacts, dentistry, electroplating, and as a catalyst.
May 21, 2024 · Platinum, chemical element, the best known and most widely used of the six platinum metals. A very heavy, precious, silver-white metal, platinum is soft and ductile and has a high melting point and good resistance to corrosion and chemical attack. Learn more about platinum in this article.
Platinum is a chemical element that's a heavy, precious metal. If you want a really fancy wedding band, go for platinum. Have you ever heard of a musician's album going platinum? In the U.S., that means it sold a million copies, and platinum is the precious metal used to symbolize such success.
