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Platinum   /plˈætnəm/  /plˈætənəm/   Listen
Platinum

noun
1.
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: atomic number 78, Pt.



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"Platinum" Quotes from Famous Books



... most difficult operation he had ever performed. He bungled it considerably, but in the end he succeeded passably well. He extracted the loose tooth with his bayonet forceps and prepared the roots of the broken one as if for filling, fitting into them a flattened piece of platinum wire to serve as a dowel. But this was only the beginning; altogether it was a fortnight's work. Trina came nearly every other day, and passed two, and even ...
— McTeague • Frank Norris

... venture to say; but that there is evidence of the existence of some correlation between mechanical motion and consciousness, is as plain as anything can be. Suppose the poles of an electric battery to be connected by a platinum wire. A certain intensity of the current gives rise in the mind of a bystander to that state of consciousness we call a "dull red light"—a little greater intensity to another which we call a "bright red light;" increase the intensity, and the light becomes white; ...
— Darwiniana • Thomas Henry Huxley

... opal and I am happy because you are enjoying it. Such fire! What a superb setting! And such refined taste, platinum, do you notice! oh, so modest! No one else has any such jewel. How Henry will admire it—and how mystified Adolph is! Tell him you bought it out of the money you saved on corned beef. How I shall enjoy seeing you wear it, and knowing that it bears in its fiery heart all the ardent ...
— The Letters of Franklin K. Lane • Franklin K. Lane

... ore, chromium, copper, gold, nickel, platinum and other minerals, and coal and hydrocarbons have been found in small uncommercial quantities; none presently exploited; krill, finfish, and crab have been taken by ...
— The 2004 CIA World Factbook • United States. Central Intelligence Agency

... was convinced that his mission was to produce an electric lamp for use within doors. Forsaking for the moment his newborn phonograph, Edison applied himself in earnest to the problem of the lamp. His first search was for a durable filament which would burn in a vacuum. A series of experiments with platinum wire and with various refractory metals led to no satisfactory results. Many other substances were tried, even human hair. Edison concluded that carbon of some sort was the solution rather than a metal. ...
— The Age of Invention - A Chronicle of Mechanical Conquest, Book, 37 in The - Chronicles of America Series • Holland Thompson

... the commonest instances of the use of a catalyst is the use of sponge platinum in the manufacture of sulphuric acid. I will not burden you with the details of the 'contact' process, as it is known, but the combination is effected by means of finely divided platinum which is neither changed, consumed or wasted during the ...
— Astounding Stories of Super-Science February 1930 • Various

... some pure granulated zinc coated with platinum. Then he covered it with dilute sulphuric acid through the funnel tube. "That forms hydrogen gas," he explained, "which passes through the drying-tube and the ignition-tube. Wait a moment until all the air is ...
— The Dream Doctor • Arthur B. Reeve

... some pay, he goes off on the prospecting trail, and then heads for Vancouver with a bag of specimens that aren't worth anything. When the mineral men hear of a new Hollin discovery they smile. Guess he's found most everything—gold, copper, zinc, and platinum—and never made fifty cents out of them, 'cept once when, so the boys say, a mining company fellow gave him five dollars to promise he wouldn't worry him again. Now they've orders in all the offices that if Hollin comes round with any more specimens they're ...
— Prescott of Saskatchewan • Harold Bindloss

... wearing. Last night it was the one he calls his sporting-set that he wore, by far the finest. It cost over a hundred thousand dollars, and is one of the most curious of all the studies in personal adornment that he owns. All the stones are of the purest blue-white and the set is entirely based on platinum. ...
— The Treasure-Train • Arthur B. Reeve

... copper, 7 of platinum, and 1 of zinc. When steel is alloyed with 1/500 part of platinum, or with 1/500 part of silver, it is rendered much harder, more malleable, and better adapted for all kinds of cutting instruments. Note.—In ...
— Young's Demonstrative Translation of Scientific Secrets • Daniel Young

... coherer as the basis Marconi sought to make improvements which would result in the detector he was seeking. For his powder he used nickel, mixed with a small proportion of fine silver filings. This he placed between silver plugs in a small glass tube. Platinum wires were connected to the silver plugs and brought out at the opposite ends of the tube. It required long study to determine just how to adjust the plugs between which the powder was loosely arranged. If the particles were pressed ...
— Masters of Space - Morse, Thompson, Bell, Marconi, Carty • Walter Kellogg Towers

... wear, but it must be chosen with discrimination. Pearl shirt-studs (real ones) are correct for full dress only, and not to be worn with a dinner coat unless they are so small as to be entirely inconspicuous. Otherwise you may wear enamel studs (that look like white linen) or black onyx with a rim of platinum, or with a very inconspicuous pattern in diamond chips, but so tiny that they can not be told from a threadlike design in platinum—or ...
— Etiquette • Emily Post

... Lucy's departure he had brought her her engagement ring, a square-cut diamond set in platinum. He kissed it first and then her finger, and slipped it into place. It became a rite, done as he did it, and she had a sense of something done that could never be undone. When she looked up at him ...
— The Breaking Point • Mary Roberts Rinehart

... implored, hangs. Stores flicker dimly through frosted windows, In front of which human bodies move like ghosts. Students carve a frozen girl. How lovely, the crystalline winter evening burning! A platinum moon now streams through a gap in the houses. Next to green lanterns under a bridge Lies a gypsy woman. ...
— The Verse of Alfred Lichtenstein • Alfred Lichtenstein

... fact with a great number of preparations of cobalt, nickel, bismuth, platinum and other salts which have been thought hitherto to be insensitive to the solar agency; but if they are partially sunned and then washed with nitrate of silver and put aside in the dark, the metallic silver is slowly reduced ...
— Photographic Reproduction Processes • P.C. Duchochois

... several combined wires or metal coils. The nature of the metal does not alter the result except, perhaps, to make it greater or less. We have used wires of platinum, gold, silver, brass, and iron, and coils of lead, tin, and quicksilver with the same result. If the conductor is interrupted by water, all effect is not cut off, unless the stretch of water is several ...
— A History of Science, Volume 3(of 5) • Henry Smith Williams

... destroyed or, indeed, dimmed. Her skin was smooth, she had no wrinkles, and her neck was a pillar of softly moulded white flesh, around which a man might well string unset jewels, if he had them; for the tint and purity of her skin would be a better setting than platinum or fine gold. But the Clerk of the Court was really unsophisticated, or he would have seen that Carmen played the guitar badly because she was not interested in Jean Jacques' singing. He would have known that she had come to that stage ...
— The Judgment House • Gilbert Parker

... rings at all except for a single platinum-set, and very perfect, diamond and a plain gold band, obviously a wedding ring. The inference was that she was married and that her husband's name was Geoffrey Annersley, but where he was and why she was traveling across the United States alone and from whence ...
— Wild Wings - A Romance of Youth • Margaret Rebecca Piper

... just ground for considerable divergence of opinion, according to the line of argument taken. It is a most remarkable fact that, precious as are certain stones, they do not (with a few exceptions) contain any of the rarer metals, such as platinum, gold, etc., or any of their compounds, but are composed entirely of the common elements and their derivatives, especially of those elements contained in the upper crust of the earth, and this notwithstanding ...
— The Chemistry, Properties and Tests of Precious Stones • John Mastin

... sample is platinum! Gentlemen, you have indeed a fortune! The platinum is worth about double its weight ...
— The Pony Rider Boys in Alaska - The Gold Diggers of Taku Pass • Frank Gee Patchin

... our physical laboratory at Irvington were almost all lit by electric lamps constructed somewhat on the principle of Edison's, but using platinum wires, and the old residents of that village may recall the singular, lonely house half hidden in broad sycamores, sending out its electric radiance late at night while my father and frequently myself, then a boy of thirteen years, worked at ...
— The Certainty of a Future Life in Mars • L. P. Gratacap

... short-lived nature of a revolution; events which he foresaw with intuition amounting to second-sight. At the same time he lost nearly all his own money by investing it in a company which professed to have discovered a manner—cheap and rapid—of transforming copper into platinum. He made the fortune of a publisher by insisting on the publication of a novel which six intelligent men had declared to be unreadable. It was called "The Conscience of John Digby," and when published it sold by thousands and tens of thousands. But he lost the handsome reward ...
— Orpheus in Mayfair and Other Stories and Sketches • Maurice Baring

... 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 ...
— The Picture of Dorian Gray • Oscar Wilde

... home on leave, came an S O S call from a friend gaoled in Mozambique. He held the secret of a platinum find, and corrupt officials wished to filch it from him. A thrilling rescue and a neck-and-neck race for the ...
— Berry And Co. • Dornford Yates

... hospitably received in my sister's house, where I hoped to revive my somewhat exhausted means of travel. In this hope I reckoned chiefly upon the sale of a snuff-box presented to me by a friend, which I had secret reasons to suppose was made of platinum. To this I could add a gold signet-ring, given me by my friend Apel for composing the overture to his Columbus. The value of the snuff-box unfortunately proved to be entirely imaginary; but by pawning these two jewels, the only ones I had left, I hoped to provide ...
— My Life, Volume I • Richard Wagner

... Cherry obeyed, and stood beside him attentively while he opened a small leather case and took out a pair of earrings each consisting of a tiny, pear-shaped moonstone dangling at the end of a thin platinum chain. ...
— Afterwards • Kathlyn Rhodes

... bullion, (uncoined gold). Associated words: alchemist, alchemy, auriferous, alloy, assay, assayer, assaying, filigree, aurated, auric, aureate, aurific, aurigraphy, aurivorous, aurocephalous, platinum, aurous, billet, carat, chlorination, chrysography, cupel, foil, cupellation, gild, orphrey, vermeil, gilded, gilding, gilt, orris, amalgamated, goldsmith, bonanza, schlich, inaurate, inauration, ingot, lingot, lode, nugget, ore, ormolu, pinchbeck, ...
— Putnam's Word Book • Louis A. Flemming

... while it carries a piece of soft iron called an armature on its free end and this sets close to one end of the soft iron core. Insulated from this spring is a standard that carries an adjusting screw on the small end of which is a platinum point and this makes contact with a small platinum disk fixed to the spring. The condenser is formed of alternate sheets of paper and tinfoil built up in the same fashion as the receiving condenser described under the caption of Fixed and Variable ...
— The Radio Amateur's Hand Book • A. Frederick Collins

... who thought he must be the last living human, wandered contentedly about the city of Denver looking for the coffin he liked best. He settled at last upon a rich mahogany number with platinum trimmings, an Automatic Self-Adjusting Cadaver-contour Innerspring Wearever-Plastic-Covered Mattress with a built in bar. He climbed in, drew himself a generous slug of fine Scotch, giggled as the mattress prodded him exploringly, closed his eyes and sighed ...
— And All the Earth a Grave • Carroll M. Capps (AKA C.C. MacApp)

... on one side and with a pair of pliers manipulated what Sharon was never to know as anything but her gizzard, though the surgeon, as he delicately wrought, murmured something about platinum points. ...
— The Wrong Twin • Harry Leon Wilson



Words linked to "Platinum" :   noble metal



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