Meaning of the word "reserve currency" in English

What does "reserve currency" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

reserve currency

US /rɪˈzɜːrv ˌkɜːr.ən.si/
UK /rɪˈzɜːrv ˌkɜːr.ən.si/
"reserve currency" picture

Noun

1.

a foreign currency held by central banks and other monetary authorities as a means of payment or to support their domestic currency

Example:
The US dollar has long been the world's primary reserve currency.
Some countries are advocating for a new global reserve currency to reduce reliance on the dollar.
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