- noun a rate at which one currency is exchanged for another.
- noun a figure that expresses how much a unit of one country’s currency is worth in terms of the currency of another country
- noun a price at which one currency is exchanged for another.
- (written as Exchange Rate)The number of units of a foreign currency that can be bought with a unit of the domestic currency. A rising exchange rate from the perspective of the domestic economy is, of course, a falling rate from the perspective of the other.