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1 platinum
[English Word] platinum[Swahili Word] platini[Part of Speech] noun[Class] 9[Dialect] recent[English Definition] a heavy precious grayish white noncorroding ductile malleable metallic element that fuses with difficulty and is used especially in chemical ware and apparatus, as a catalyst, and in dental and jewelry alloys (identified 1812)[Terminology] chemistry------------------------------------------------------------ -
2 rhodium
[English Word] rhodium[Swahili Word] rodi[Part of Speech] noun[Class] 9[Dialect] recent[English Definition] a white hard ductile metallic element that is resistant to acids, occurs in platinum ores, and is used in alloys with platinum (identified 1804)[Terminology] chemistry------------------------------------------------------------ -
3 ruthenium
[English Word] ruthenium[Swahili Word] rutheni[Part of Speech] noun[Class] 9[Dialect] recent[English Definition] a hard brittle grayish polyvalent rare metallic element occurring in platinum ores and used in hardening platinum alloys (identified 1848)[Terminology] chemistry------------------------------------------------------------ -
4 osmium
[English Word] osmium[Swahili Word] osmi[Part of Speech] noun[Class] 9[Dialect] recent[English Definition] a hard brittle blue-gray or blue-black polyvalent metallic element of the platinum group with a high melting point that is the heaviest metal known and is used especially as a catalyst and in hard alloys (identified 1804)[Terminology] chemistry------------------------------------------------------------ -
5 palladium
[English Word] palladium[Swahili Word] paladi[Part of Speech] noun[Class] 9[Dialect] recent[English Definition] a silver-white ductile malleable metallic element of the platinum group that is used especially in electrical contacts, as a catalyst, and in alloys (identified 1803)[Terminology] chemistry------------------------------------------------------------
См. также в других словарях:
Platinum — Студийный альбом Майк Олдфилд … Википедия
Platinum — Plat i*num, n. [NL., fr. Sp. platina, from plata silver, LL. plata a thin plate of metal. See {Plate}, and cf. {Platina}.] (Chem.) A metallic element of atomic number 78, one of the noble metals, classed with silver and gold as a precious metal,… … The Collaborative International Dictionary of English
platinum — Symbol: Pt Atomic number: 78 Atomic weight: 195.078 Attractive greyish white metal. When pure, it is malleable and ductile. Does not oxidize in air, insoluble in hydrochloric and nitric acid. Corroded by halogens, cyandies, sulphur and alkalis.… … Elements of periodic system
platinum — plat‧i‧num [ˈplætnəm] noun [uncountable] a silver grey metal used in manufacturing and traded on commodity market S: • a platinum mine • platinum jewellery * * * platinum UK US /ˈplætɪnəm/ US /ˈplætənəm/ noun [U] … Financial and business terms
Platinum — Platinum, AK U.S. city in Alaska Population (2000): 41 Housing Units (2000): 26 Land area (2000): 44.630629 sq. miles (115.592794 sq. km) Water area (2000): 0.071778 sq. miles (0.185904 sq. km) Total area (2000): 44.702407 sq. miles (115.778698… … StarDict's U.S. Gazetteer Places
Platinum, AK — U.S. city in Alaska Population (2000): 41 Housing Units (2000): 26 Land area (2000): 44.630629 sq. miles (115.592794 sq. km) Water area (2000): 0.071778 sq. miles (0.185904 sq. km) Total area (2000): 44.702407 sq. miles (115.778698 sq. km) FIPS… … StarDict's U.S. Gazetteer Places
platinum — ☆ platinum [plat′ n əm] n. [ModL < Sp platina, dim. of plata, silver < Prov, metal plate, silver bar, silver < VL * plattus, flat: see PLATE] a silver colored, malleable, ductile, metallic chemical element that is highly resistant to… … English World dictionary
platinum — metallic element, Modern Latin, from Sp. platina platinum, dim. of plata silver, from O.Fr. plate or O.Prov. plata sheet of metal (see PLATE (Cf. plate)). The metal looks like silver, and the Spaniards at first thought it an inferior sort of… … Etymology dictionary
platinum — ► NOUN 1) a precious silvery white metallic chemical element used in jewellery and in some electrical and laboratory apparatus. 2) (before another noun ) greyish white or silvery like platinum. ORIGIN Spanish platina, from plata silver … English terms dictionary
Platinum — This article is about the chemical element. For other uses, see Platinum (disambiguation). iridium ← platinum → gold Pd ↑ Pt ↓ Ds … Wikipedia
platinum — /plat n euhm, plat neuhm/, n. 1. Chem. a heavy, grayish white, highly malleable and ductile metallic element, resistant to most chemicals, practically unoxidizable except in the presence of bases, and fusible only at extremely high temperatures:… … Universalium
