n.

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

   日元是世界上較堅挺的貨幣之一。

2. 通用，流通；流傳，傳播[U]
   These ideas have gained wide currency.

   這些思想已廣泛傳播。

3. 流通時間，流行時期[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.