貨幣單位
Monetary \Mon"e*ta*ry\, a. [L. monetarius belonging to a mint. See {Money}.] Of or pertaining to money, or consisting of money; pecuniary. ``The monetary relations of Europe.'' --E. Everett. {Monetary unit}, the standard of a national currency, as the dollar in the United States, the pound in England, the franc in France, the mark in Germany.
monetary unit n : a monetary unit