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crucible
Graphite crucibles.
crucible
chemistry
crucible, pot of clay or other refractory material. Used from ancient times as a container for melting or testing metals, crucibles were probably so named from the Latin word crux, “cross” or “trial.” Modern crucibles may be small laboratory utensils for conducting high-temperature chemical reactions and analyses or large industrial vessels for melting and calcining metal and ore; they may be made of clay, graphite, porcelain, or a relatively infusible metal.
This article was most recently revised and updated by Amy Tikkanen.
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