Thesaurus: crucible

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1. n. 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. n. A hollow place at the bottom of a furnace, to receive the melted metal.
3. n. A test of the most decisive kind; a severe trial; as, the crucible of affliction.
4. n. a vessel made of material that does not melt easily; used for high temperature chemical reactions
5. 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.
6. n:100 n. a vessel made of material that does not melt easily; used for high temperature chemical reactions