symmetallism

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sym·met·al·lism

S0958400 (sĭm-mĕt′l-ĭz′əm)n. A system of coinage in which a unit of currency is pegged to a combination of two or more metals in fixed proportions.

symmetallism

(sɪˈmɛtəˌlɪzəm) or

symmetalism

n1. (Banking & Finance) the use of an alloy of two or more metals in fixed relative value as the standard of value and currency2. (Banking & Finance) the economic policies and doctrine supporting a symmetallic standard[C19: from sym- + -metallism, on the model of bimetallism] ˌsymmeˈtallic adj