미국, 캐나다, 호주 등 여러 국가에서 사용하는 기본 화폐 단위
The basic unit of money in the US, Canada, Australia, and several other countries, equal to 100 cents.
예문:
"The global economy relies heavily on the strength of the US dollar."
"Prices in the duty-free shop are listed in dollars."
"The exchange rate for the Australian dollar fluctuates daily."
1달러 가치를 지닌 지폐나 동전
A coin or a piece of paper money worth one dollar.
예문:
"I have a silver dollar that my grandfather gave me."
"She handed the clerk a dollar for the candy bar."
원자로의 반응도를 나타내는 단위
A unit of reactivity in a nuclear reactor, equal to the amount required to make the reactor prompt critical.
예문:
"The reactivity of the core was measured to be exactly one dollar."
"The system was designed to handle a reactivity insertion of half a dollar."