What does 汇率 (huìlǜ) mean in English?

Card 47NPCR Level 1547/53
CARD47
PROGRESS89%
汇率
匯率
huìlǜ
exchange rate(Noun)

Reveal: Click/Space/Enter/↑↓/w/s/j/kNavigate: ←→/h/l/a/d