Crucible

n.	1.	A vessel or melting pot, composed of some very refractory substance, as clay, graphite, platinum, and used for melting and calcining substances which require a strong degree of heat, as metals, ores, etc.
	2.	A hollow place at the bottom of a furnace, to receive the melted metal.
	3.	A test of the most decisive kind; a severe trial; as, the crucible of affliction. Hessian crucible (Chem.) a cheap, brittle, and fragile, but very refractory crucible, composed of the finest fire clay and sand, and commonly used for a single heating; - named from the place of manufacture.

Noun

1.

crucible - a vessel made of material that does not melt easily; used for high temperature chemical reactions Synonyms: melting pot

Bunsen burner, Erlenmeyer flask, Kipp generator, acid test, affliction, agitator, alembic, anvil, aspirator, assay, beaker, beater, blank determination, blender, blowpipe, brouillon, burette, caldron, calvary, capillary tube, cement mixer, churn, condenser, criterion, cross, crucial test, deflagrating spoon, desiccator, determination, distiller, docimasy, eggbeater, emulsifier, engine, essay, etna, feeling out, first draft, kiteflying, lathe, machine, matrass, melting pot, mixer, mortar, motor, ordeal, pestle and mortar, pipette, precision balance, probation, proof, reagent bottle, receiver, retort, rough draft, rough sketch, sounding out, standard, still, test, test case, test tube, touchstone, transducer, transformer, trial, tribulation, try, verification, visitation

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