abstention
the abstention rate increased

activity
activity rate

bounce rate
taxa de rejeição

CAGR
compound annual growth rate

churn rate
taxa de rotatividade

coronary
the death rate from coronaries

CRO
Conversion Rate Optimization

CTR
Click through Rate

discount
discount rate

drastic
a drastic fall in the birth rate

dropout
dropout rate

Euribor
Euro Interbank Offered Rate

fifth-rate
péssimo

first-rate
I feel first-rate

HRV
heart rate variability

infant
infant mortality rate

jobless
the jobless rate

LIBOR
London Inter-Bank Offered Rate

MDR
Merchant Discount Rate

mileage
mileage rate

mortality
mortality rate

printed
printed paper rate

rate
at the rate of sixty miles an hour

SAR
Specific Absorption Rate

second-rate
a second-rate writer

selling
selling rate

third-rate
de terceira categoria

unemployment
unemployment rate