- a magnitude or frequency relative to a time unit
- amount of a charge or payment relative to some basis
- the relative speed of progress or change
- a quantity or amount or measure considered as a proportion of another quantity or amount or measure
💬 Examples
- "they traveled at a rate of 55 miles per hour"
- "the rate of change was faster than expected"
- "a 10-minute phone call at that rate would cost $5"
- "he lived at a fast pace"