Container for melting things at a very high heat (8)
I believe the answer is:
crucible
(Other definitions for crucible that I've seen before include "Trial" , "smelting vessel" , "Container for melting metals" , "severe test" , "Melting-pot" .)
I believe the answer is:
crucible
(Other definitions for crucible that I've seen before include "Trial" , "smelting vessel" , "Container for melting metals" , "severe test" , "Melting-pot" .)