O1S1M3I1R1I1D2I1U1M3
15 points
OSMIRIDIUM is validvalid
[n OSMIRIDIUMS]
a very hard corrosion-resistant white or grey natural alloy of osmium and iridium, also IRIDOSMINE, IRIDOSMIUM [n -S]
[n OSMIRIDIUMS]
a very hard corrosion-resistant white or grey natural alloy of osmium and iridium, also IRIDOSMINE, IRIDOSMIUM [n -S]