11 letters · 17 points in Scrabble
noun 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
originEtymology tree Proto-Indo-European *dwóh₁ Proto-Indo-European *dwi- Proto-Italic *dwi- Latin bi-bor. English bi- English metallism English bimetallism From bi- + metallism.
Etymology from Wiktionary, CC BY-SA 3.0