1. amount of a charge or payment relative to some basis; - Example: "a 10-minute phone call at that rate would cost $5" [syn: rate, charge per unit]
WordNet (r) 3.0 (2006):
charge per unit
n 1: amount of a charge or payment relative to some basis; "a
10-minute phone call at that rate would cost $5" [syn:
rate, charge per unit]