1. the full time before a debt is to be paid. the numbers are used to compare the best option. Relate to half-life. AKA economic life.
1. Normal period before the key of a debt protection (relationship, debenture, note) is planned to-be repaid. It really is utilized in evaluating debt securities of different maturities and different payment schedules. See in addition half life. 2. Alternate term for financial life.