crucible, melting pot(noun)
a vessel made of material that does not melt easily; used for high temperature chemical reactions
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.
A very difficult and trying experience, that acts as a refining or hardening process.
Origin: From crucibulum, apparently a derivative of crux.
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
a hollow place at the bottom of a furnace, to receive the melted metal
a test of the most decisive kind; a severe trial; as, the crucible of affliction
Origin: [LL. crucibulum a hanging lamp, an earthen pot for melting metals (cf. OF. croisel, creuseul, sort of lamp, crucible, F. creuset crucible), prob. of German origin; cf. OHG. krsul, LG. krsel, hanging lamp, kroos, kruus, mug, jug, jar, D. kroes cup, crucible, Dan. kruus, Sw. krus, E. cruse. It was confused with derivatives of L. crux cross (cf. Crosslet), and crucibles were said to have been marked with a cross, to prevent the devil from marring the chemical operation. See Cruse, and cf. Cresset.]
A crucible is a container that can withstand very high temperatures and is used for metal, glass, and pigment production as well as a number of modern laboratory processes. While crucibles historically were usually made from clay, they can be made from any material that withstands temperatures high enough to melt or otherwise alter its contents.
Chambers 20th Century Dictionary
krōō′si-bl, n. an earthen pot for melting ores, metals, &c. [Low L. crucibulum, most prob. from L. crux.]
The numerical value of crucible in Chaldean Numerology is: 7
The numerical value of crucible in Pythagorean Numerology is: 1