To convert from foreign currency to U.S. dollars, divide the foreign currency amount by the applicable yearly average exchange rate in the table below. To convert from U.S. dollars to foreign currency, multiply the U.S. dollar amount by the applicable yearly average exchange rate in the table below. Country. Currency.
triannual. 1  done, occurring, issued, etc., three times a year. 2  triennial. 3  a triannual publication, contest, etc. 4  triennial.
noun, plural trilogies. 1. a series or group of three plays, novels, operas, etc., that, although individually complete, are closely related in theme, sequence, or the like. (in ancient Greek drama) a series of three complete and usually related tragedies performed at the festival of Dionysus and forming a tetralogy with the satyr play.