Platiniridium | n. (Chem. & Min.) A natural alloy of platinum and iridium occurring in grayish metallic rounded or cubical grains with platinum. [ 1913 Webster ] |
白金イリジウム | [はっきんイリジウム, hakkin irijiumu] (n) platiniridium (alloy of platinum and iridium) [Add to Longdo] |