That may have particular currency in the case of the Melissa virus.
You agree to sell the bank a particular foreign currency at a fixed future date for a price that is set now.
As the price to buy a particular currency falls so too does the real price of exports from the country.
Higher rates make deposits in a particular currency more attractive.
The law gained particular currency after a 1689 bill outlawing all trade with France.
Coins are worth one unit of their particular currency, and may be used with cards to buy buildings.
Which particular currency or currencies they are measured in is largely irrelevant.
The reference rate is fixed one or two days before the effective date, dependent on the market convention for the particular currency.
This would surely provide a much more meaningful comparison between gold and any particular currency.
The rules state that the word, or expression, does not have to be new, but simply have particular currency in the given year.