Definitions for "Fatigue life"
(dynamic) (r) the number of deformations required to produce a specified state of fatigue breakdown in a test piece or product that is deformed under a prescribed set of conditions.
The number of cycles the will cause failure at a certain stress level
Physical Properties and Testing Number of stress cycles required to bring an adhesive bond to the point of failure when the bond is subjected to repeated cyclic stressing under specified conditions.
Keywords:  snatch, towing, nylon, 'recovery, fail
Number of specified load reversals at which a metal component will fail. In the context of this book see fatigue life of nylon snatch-towing ropes -'Recovery - snatch-towing'.