| Answer | Crossword Clue |
|---|---|
| platina | native alloy of platinum with palladium, iridium, osmium, etc. |
| platinas | native alloy of platinum with palladium, iridium, osmium, etc. |
| iridosmium | a very hard corrosion-resistant white or grey natural alloy of osmium and iridium in variable proportions, often containing smaller amounts of platinum, ruthenium, and rhodium, used esp in pen nibs also IRIDOSMINE, OSMIRIDIUM |
| iridosmiums | IRIDOSMIUM, a very hard corrosion-resistant white or grey natural alloy of osmium and iridium in variable proportions, often containing smaller amounts of platinum, ruthenium, and rhodium, used esp in pen nibs also IRIDOSMINE, OSMIRIDIUM |
