n.

1. 通货，货币[C][U]
   The Japanese yen is one of the stronger currencies in the world.

   日元是世界上较坚挺的货币之一。

2. 通用，流通；流传，传播[U]
   These ideas have gained wide currency.

   这些思想已广泛传播。

3. 流通时间，流行时期[U]

n.

1. a system of money in general use in a particular country.
2. the fact or quality of being current.
   ▸the time during which something is current.