cupel /kūˈpəl/

1. A small vessel used by goldsmiths in assaying precious metals
2. The movable hearth of a reverberatory furnace for refining

To assay in a cupel

cūpellāˈtion noun

A method of refining precious metal in which impure metal is melted in a cupel and impurities are oxidized or run off

• in a sense
• in as far as
• in a small way
• inasmuch
• in as much as
• inasmuch as
• in a sort
• in a spot
• in a state of flux
• in a stew
• inattention
• inattentions
• inattentive
• inattentively
• inattentiveness
• inattentivenesses
• in at the death
• in at the deep end
• in at the kill
• inaudibilities
• inaudibility
• inaudible
• inaudibleness
• inaudiblenesses
• inaudibly