🇬🇧 en ca 🇦🇩

crucible noun

  /ˈkɹuː.sɪ.bəl/
  • (chemistry) A cup-shaped piece of laboratory equipment used to contain chemical compounds when heating them to very high temperatures.
  • A heat-resistant container in which metals are melted, usually at temperatures above 500°C, commonly made of graphite with clay as a binder.
  • The bottom and hottest part of a blast furnace; the hearth.
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