French in origin, this term means to preserve which has been a traditional French method of keeping food in storage for longer periods of time.During a time when there was a lack of refrigeration, foods were preserved in jars under layers of fat or syrups as a means to store the contents for future use.rench in origin, this term means to preserve which has been a traditional French method of keeping food in storage for longer periods of time.
Wiktionary(0.00 / 0 votes)Rate this definition: fiat currency(Noun) Money that has indirect market value or is given legal tender status by government fiat.
A reserve currency is a currency that is held in significant amounts by governments and institutions in order to help conduct transactions in the global market. The major reserve currency of the planet right now is the US Dollar, which composes upwards of 60% of all forex reserves.The Euro has grown in prominence over the past decade as a reserve currency, and now makes up nearly 30% of all forex reserves through the world.ommodities such as oil and gold are usually priced in a certain type of currency (US Dollars), meaning that governments need to have large pools of US Dollars (or Euros) in their foreign exchange reserves in order to engage in the buying and selling of these commodities.