BIMETALLISMS
Scrabble letter values: B3I1M3E1T1A1L1L1I1S1M3S1 = 18
Definition
BIMETALLISMS is the plural of BIMETALLISM.
noun BIMETALLISM: a monetary standard under which the basic unit of currency is defined by stated amounts of two metals (usually gold and silver) with values set at a predetermined ratio.