OSMIRIDIUMS
Scrabble letter values: O1S1M3I1R1I1D2I1U1M3S1 = 16
Definition
OSMIRIDIUMS is the plural of OSMIRIDIUM.
noun OSMIRIDIUM: a hard and corrosion resistant mineral that is a natural alloy of osmium and iridium (usually containing small amounts of rhodium and platinum).
Synonyms of OSMIRIDIUM: iridosmine