The definition of a crucible is a vessel or container made of materials that resist great heat.(noun)
An example of a crucible is a container made of graphite or porcelain that melts only at very high temperatures.
See crucible in Webster's New World College Dictionary
Origin: ML crucibulum, lamp, crucible, prob. < Gmc, as in OE cruce, pot, jug, MHG kruse, earthen pot (see cruse) + L suffix -ibulum (as in thuribulum, censer), but assoc. by folk etym. with L crux, cross, as if lamp burning before cross
See crucible in American Heritage Dictionary 4
Origin: Middle English crusible
Origin: , from Medieval Latin crūcibulum, night-light, crucible
Origin: , possibly from Old French croisuel, cresset; see cresset.
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