nouns
a magnitude or frequency relative to a time unit
"they traveled at a rate of 55 miles per hour"; "the rate of change was faster than expected"
is a type of (narrower)
a relation between magnitudes
amount of a charge or payment relative to some basis
"a 10-minute phone call at that rate would cost $5"
the relative speed of progress or change
"he lived at a fast pace"; "he works at a great rate"; "the pace of events accelerated"
a quantity or amount or measure considered as a proportion of another quantity or amount or measure
"the literacy rate"; "the retention rate"; "the dropout rate"
is a type of (narrower)
the quotient obtained when the magnitude of a part is divided by the magnitude of the whole