Strong currency

…It refers to the total amount of cash currency and deposits at the central bank. It is sometimes translated literally as "strong currency" or "high-powered money," but these are not appropriate translations. If one were to translate it, it would be "central bank currency," which is in line with the content. …

*Some of the terminology that refers to "powerful currency" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…現金通貨と中央銀行預け金との合計額をさす。直訳して〈強力通貨〉とか〈高権貨幣〉ということもあるが，適切な訳語ではない。しいて訳すならば，内容に即して中央銀行通貨である。…

※「強力通貨」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報