(geography) The total number of deaths in a year among infants under one year of age for every 1,000 live births in a society.

An ISDN subscriber line that provides two B channels and 1 D channel.

Alternative form of flat tax

plural of base rate fallacy

plural of basic rate interface

plural of flat rate tax

plural of heart rate monitor

plural of interest rate swap

plural of primary rate interface

plural of rate of climb indicator