attrition fee definition
A Definition of Attrition Rate. A common attrition rate definition refers to employee or staff turnover, but in a broader sense, attrition rate is a calculation of the number of individuals or items that vacate or move out of a larger, collective group over a specified time frame.Attrition rate is also commonly referred to as churn rate.ttrition rate is a complimentary figure to retention rate, which refers to the number of customers retained during a given period, and to customer acquisition rate, which refers to the number of new customers acquired during a given period.