crucible

• Inside the crucible was a small ingot of coronium, the strong, hard, Venerian metal which melted at twenty-five hundred degrees centigrade and boiled at better than four thousand. —  Islands of Space
• The solid silver handles are found inside, one hardly need say In casting in the "cire perdu" process, Benvenuto Cellini warns you to beware lest you break your crucible--"just as you've got your silver nicely molten," he says, "and are pouring it into the mould, crack goes your crucible, and all your work and time and pains are lost!" —  Arts and Crafts in the Middle Ages A Description of Mediaeval Workmanship in Several of the Departments of Applied Art, Together with Some Account of Special Artisans in the Early Renaissance
• By the addition of a few drops of carbonate of ammonia solution and another slight heating of the crucible, also the caustic lime produced in the filter ash by heating, is reconverted into carbonate of lime, and after cooling in the exsiccator, the whole contents of the crucible is weighed as carbonate of lime, after deducting the known quantity of filter ash Any magnesia present in the filtrate of the oxalate of lime is by the addition of a solution of phosphate of soda separated as phosphate of ammonia and magnesia, after having stood twenty-four hours. —  Scientific American Supplement, No. 821, September 26, 1891
• But the crucible was the crucible of pity, not of love; that, too, he knew, and, knowing it, forbore He dropped her hand, doffed his hat, and, wheeling his horse about, touched it with the spur and rode back towards the thicket where his friends awaited him. —  Mistress Wilding
• But the crucible was no longer--as then of pity; it was the crucible of love And in that same crucible, too, Anthony Wilding's nature had undergone a transmutation; his love for Ruth had been purified of that base alloy of desire which had driven him into the unworthiness of making her his own at all costs; there was no carnal grossness in his present passion; it was pure as a religion--the love that takes no account of self, the love that makes for joyous and grateful martyrdom. —  Mistress Wilding

Roget's II: The New Thesaurus

Used in the Same Context