crucible definition

  • noun:
    • A vessel made of a refractory material such graphite or porcelain, used for melting and calcining materials at large temperatures.
    • A severe test, since patience or belief; a trial. See Synonyms at trial.
    • A place, time, or situation characterized by the confluence of powerful intellectual, social, economic, or political forces: "Macroeconomics . . . was cast in the crucible of the Depression” ( Peter Passell).
    • A cup-shaped little bit of laboratory gear used to consist of compounds when warming all of them to very high temperatures.
    • A heat-resistant container by which metals tend to be melted, typically at conditions above 500°C, generally made of graphite with clay as a binder.
    • underneath and hottest element of a blast furnace; the hearth.
    • a really tough and attempting knowledge, that acts as a refining or hardening process.
    • A vessel or melting cooking pot, made up of some very refractory substance, as clay, graphite, platinum, and utilized for melting and calcining substances which need a good amount of heat, as metals, ores, etc.
    • A hollow place in the bottom of a furnace, to receive the melted material.
    • A test quite decisive sort; a severe test.
    • A vessel or melting-pot for chemical purposes, made of pure clay or any other product, as black-lead, porcelain, platinum, gold, or iron, so baked or tempered concerning withstand severe temperature without fusing.
    • A hollow place at the end of a chemical furnace, for gathering the molten steel.
    • Figuratively, a severe or researching test: as, his probity ended up being attempted within the crucible of urge.
    • a vessel manufactured from product that will not melt effortlessly; utilized for warm chemical responses

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