| Answer | Crossword Clue |
|---|---|
| INFUSIBLE | Resistant to melting, as certain metals |
| occlude | (of certain metals and other solids) to incorporate (gases and other foreign substances), as by absorption or adsorption |
| cerium | a malleable ductile steel-grey element of the lanthanide series of metals, used in lighter flints and as a reducing agent in metallurgy. Symbol: Ce; atomic no: 58; atomic wt: 140.115; valency: 3 or 4; relative density: 6.770; melting pt: 798°C; boiling pt: 3443°C |
| potline | row of electrolytic cells for reducing certain metals, as aluminum, from fused salts |
