platinum


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Plat·i·num

 (plăt′n-əm)
n.
A trademark for a certification indicating that a recording, such as an album of music, has sold a million copies.

plat·i·num

 (plăt′n-əm)
n.
1. Symbol Pt A silver-white metallic element occurring in alluvial deposits in sperrylite and nickel ores, usually mixed with other metals such as iridium, osmium, or nickel. It is ductile and malleable, does not oxidize in air, and is used as a catalyst and in electrical components, jewelry, dentistry, and electroplating. Atomic number 78; atomic weight 195.08; melting point 1,768.2°C; boiling point 3,825°C; specific gravity 21.45 (20°C); valence 2, 3, 4. See Periodic Table.
2. A medium to light gray.

[New Latin, from Spanish platina, platinum; see platina.]

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. Symbol: Pt; atomic no: 78; atomic wt: 195.08; valency: 1–4; relative density: 21.45; melting pt: 1769°C; boiling pt: 3827±100°C
2. (Colours)
a. a medium to light grey colour
b. (as adjective): a platinum carpet.
[C19: New Latin, from platina, on the model of other metals with the suffix -um]

plat•i•num

(ˈplæt n əm, ˈplæt nəm)

n.
1. a heavy, grayish white, highly malleable and ductile metallic chemical element, resistant to most chemicals, practically unoxidizable except in the presence of bases, and fusible only at extremely high temperatures: used for making chemical and scientific apparatus, as a catalyst in the oxidation of ammonia to nitric acid, and in jewelry. Symbol: Pt; at. wt.: 195.09; at. no.: 78; sp. gr.: 21.5 at 20°C.
2. a light, metallic gray with very slight bluish tinge when compared with silver.
adj.
3. (of a recording, compact disc, or cassette) having sold a minimum of one million copies.
[1805–15; < New Latin, alter. of earlier platina < Sp; see platina]

plat·i·num

(plăt′n-əm)
Symbol Pt A soft, easily shaped, silver-white metallic element that occurs worldwide with similar metals. 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. Atomic number 78. See Periodic Table.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.platinum - a heavy precious metallic elementplatinum - 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
noble metal - any metal that is resistant to corrosion or oxidation
Translations
بِلاتيـنبْلاتين، ذَهَب أبْيَض
платина
platinaplatinový
platin
plaatina
platina
platina
platina
platína
プラチナ
백금
platinum
platina
platīns
platinaplatinový
platina
platina
ทองคำขาว
платина
bạch kim

platinum

[ˈplætɪnəm]
A. Nplatino m
B. CPD platinum blonde N (= colour) → rubio m platino; (= woman) → rubia f platino
platinum blond(e) hairpelo m rubio platino

platinum

[ˈplætɪnəm]
nplatine m
adj [ring, bracelet] → en platineplatinum blonde nblonde f platineplatinum disc n (= award) → disque m de platine

platinum

nPlatin nt; a platinum blondeeine Platinblonde

platinum

[ˈplætɪnəm] nplatino

platinum

(ˈplӕtinəm) noun, adjective
(of) an element, a heavy, valuable grey metal, often used in making jewellery. a platinum ring.

platinum

بِلاتيـن platina platin Platin πλατίνα platino platina platine platina platino プラチナ 백금 platina platina platyna platina платина platina ทองคำขาว platin bạch kim 白金

plat·i·num

n. platino.

platinum

n platino
References in classic literature ?
After about ten minutes a knock came to the door, and the servant entered, carrying a large mahogany chest of chemicals, with a long coil of steel and platinum wire and two rather curiously shaped iron clamps.
Of platinum, too, which is more expensive than gold, it uses one thousand pounds a year in the making of telephone transmitters.
We were greeted with an endless round of applause and showered with ornaments of gold, platinum, silver, and precious jewels.
Many harnesses were so encrusted with gold, platinum, silver and precious stones as to entirely hide the leather beneath.
On the upper part of this tank is a platinum tube provided with a stopcock.
The spherical cap of the small cone is of platinum, so as not to melt by the action of the cylinder and blow-pipe, for the latter are placed upon the bottom of the iron tank in the midst of the helicoidal spiral, and the extremity of their flame will slightly touch the cap in question.
The leather of his harness was completely hidden beneath ornaments of platinum thickly set with brilliant diamonds, as were the scabbards of his swords and the ornate holster that held his long, Martian pistol.
Crutches, wooden legs, artificial arms, steel hooks, caoutchouc jaws, silver craniums, platinum noses, were all to be found in the collection; and it was calculated by the great statistician Pitcairn that throughout the Gun Club there was not quite one arm between four persons and two legs between six.
It was a platinum fob chain simple and chaste in design, properly proclaiming its value by substance alone and not by meretricious ornamentation--as all good things should do.
I love how (my stylist) Karla (Welch) stacked my vintage Beladora platinum bracelets on one wrist.
They spray the platinum electrode with a smattering of gold nanopartieles.
Anglo Platinum, based in Johannesburg, South Africa, announced a 6-percent increase in platinum production in the first six months of the 2006 calendar year to 1.