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Keystone   /kˈistˌoʊn/   Listen
noun
Keystone  n.  (Arch.) The central or topmost stone of an arch. This in some styles is made different in size from the other voussoirs, or projects, or is decorated with carving.






Collaborative International Dictionary of English 0.48








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"Keystone" Quotes from Famous Books



... metal known for preserving the teeth from caries. In consequence of its lack of the cohesive property, it is introduced and retained in a cavity upon the wedging principle, the last piece serving as a keystone or anchor to the whole filling. Each piece should fill a portion of the cavity from the bottom to the top, with sufficient tin protruding from the cavity to serve for thorough condensation of the surface, and the last piece inserted should have a retaining cavity to ...
— Tin Foil and Its Combinations for Filling Teeth • Henry L. Ambler

... monstrous injustice. So it was, when the doom of fifty years of living death was uttered by Judge Scott, that Jim Hall, hating all things in the society that misused him, rose up and raged in the court-room until dragged down by half a dozen of his blue- coated enemies. To him, Judge Scott was the keystone in the arch of injustice, and upon Judge Scott he emptied the vials of his wrath and hurled the threats of his revenge yet to come. Then Jim Hall went to his living death . . ...
— White Fang • Jack London

... keystone of the Big Idea. There never before was a company like this will be. In the first place, I shall put up all the money myself. Then, when I have prepared a farm ready to receive a man and his family, I will ...
— Dennison Grant - A Novel of To-day • Robert Stead

... sole inventor, although in a scientific sense the improvement he has made is perhaps less than that of some ingenious and forgotten forerunner. He who advances the work from the phase of a promising idea, to that of a common boon, is entitled to our gratitude. But in honouring the keystone of the arch, as it were, let us acknowledge the substructure on which it rests, and keep in mind the entire bridge. Justice at least is due to those ...
— Heroes of the Telegraph • J. Munro

... men, or the abrogation of the treaty of alliance and of the commercial privileges it carried with it. Yorke gave the States-General three weeks for their decision; and on April 17, 1779, the long-standing alliance, which William III had made the keystone of his policy, ceased to exist. War was not declared, but the States-General voted for "unlimited convoy" on April 24; and every effort was made by the Admiralties to build and equip a considerable fleet. The ...
— History of Holland • George Edmundson


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