crucible
C1Substantiv/US /krˈuːsəbəl/ KRO͞OS-əb-əl; UK /krˈuːsəbəl/ KRO͞OS-əb-əl/
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.
