symmetalism

enUK

sym•met•al•ism

(sɪmˈmɛt lˌɪz əm)

n. the use of two or more metals, such as gold and silver, combined in assigned proportions as a monetary standard. [1890–95; sym- + (bi) metallism]

symmetalism

a system of coinage based on a unit of two or more metals in combination, each of a specified weight. — symmetallic, adj.See also: Money