release time

Short definition from Wiktionary

Noun

1. 1
   The amount of time elapsed between the moment when the actuating time for release commences and the moment when the braking force ceases.
2. 2
   A recess during school hours for students to pursue religious studies or activities.
3. 3
   The time when something is released or sent out.
4. 4
   The time when a locked resource is released.