통화량이 · 통화량을
money supply
Example
통화량이 늘어나면 물가가 오를 수 있습니다.
When the money supply increases, prices can rise.
Word parts
통 circulate+화 currency+량 amount
Literally 'amount of circulating currency'.
Good to know
통화 also means 'phone call' (通話); 통화량 can mean 'call volume' in telecom contexts.
Related words