Analyze, like gold (5)
I believe the answer is:
assay
(Other definitions for assay that I've seen before include "Test metal for quality" , "Examine chemicals" , "Evaluate" , "Analyse ore for metal content" , "Test of substance" .)
I believe the answer is:
assay
(Other definitions for assay that I've seen before include "Test metal for quality" , "Examine chemicals" , "Evaluate" , "Analyse ore for metal content" , "Test of substance" .)