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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



... not well-known that heat increases one degree for every seventy feet you descend into the earth? Which gives a fine idea of the central heat. All the matters which compose the globe are in a state of incandescence; even gold, platinum, and the hardest rocks are in a state of fusion. What would ...
— A Journey to the Centre of the Earth • Jules Verne

... will. As every chemist knows, sulphuric acid and alcohol, when mingled together in a glass vessel, do not combine. They have an affinity for each other. All of the necessary elements for active combination are present in that glass, and yet they do not combine. But drop in a bit of platinum and instantly the whole mass is boiling with energy let loose. In a similar way, oftentimes, all the elements for decision and action are present in the mind, yet nothing happens. But a word or a little ...
— Analyzing Character • Katherine M. H. Blackford and Arthur Newcomb

... got back to the gold company. "From the earliest times, my friends, scientists have known of the existence of gold in sea-water. Together with other metals,—silver, platinum, and so on, there is a great amount of gold in sea-water. It is in tiny particles, not so big as the point of a needle. There it is,—but how shall it be got together? How shall it be extracted from the water? Aristotle tried to discover a method. He failed. ...
— The Voyage of the Hoppergrass • Edmund Lester Pearson

... last. It surely had been made for Jim and no one else. There was no other like it in any of the stores, and she had turned all of them inside out. 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. It was even worthy of The Watch. As soon as she ...
— Short Stories Old and New • Selected and Edited by C. Alphonso Smith

... living being, the protobion. To get this protobion the chemists summon a reagent known as a catalyser. The catalyser works its magic on the jelly mass. It sets up a wonderful reaction by its mere presence, without parting with any of its substance. Thus, if a bit of platinum which has this catalytic power is dropped into a vessel containing a mixture of oxygen and hydrogen, the two gases instantly unite and form water. A catalyser introduced in the primordial jelly liberates energy and gives the substance power to break up the various complex unstable ...
— The Breath of Life • John Burroughs


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