crucible

1 ENTRIES FOUND:
crucible /ˈkruːsəbəl/ noun
plural crucibles
crucible
/ˈkruːsəbəl/
noun
plural crucibles
Britannica Dictionary definition of CRUCIBLE
[count]
1 
: a pot in which metals or other substances are heated to a very high temperature or melted
2 
formal + literary : a difficult test or challenge
3 
formal + literary : a place or situation that forces people to change or make difficult decisions