"Dollar depreciation" refers to the decline in value of the U.S. dollar in comparison to other currencies. This means that you would need more dollars to buy the same amount of goods or services from other countries. Full definition
In the past few years, investors have used commodities, especially oil, as a hedge against dollar depreciation and inflation. (scientificamerican.com)
If dollar depreciation of this magnitude was not expected, investors would prefer dollar assets to foreign assets, given the interest rate differentials. (larrysummers.com)
A U.S. dollar depreciation is another way in which the value of investments in Treasurys could shrink. (canadianbusiness.com)