The term "America's currency unit" refers to the US dollar, which is the official currency used in the United States. However, there are several synonyms that can be used to refer to the same currency unit. Some of the commonly used synonyms include greenback, buck, dollar bill, and smackeroo. While these terms may sound informal or colloquial, they are used interchangeably with the official term. Other synonyms for the US dollar also include the Benjamin, which is a reference to the portrait of Benjamin Franklin on the $100 bill, or simply the US currency. No matter what synonym is used, the US dollar remains the primary currency unit used in America.
