- 定时炸弹 dìngshízhàdàn time bomb
- 定时器 dìngshíqì timer
- 定时钟 dìngshízhōng alarm clocka clock designed to alert or wake a person at a specific time
- 安定时间 āndìngshíjiān settling time(control theory) settling time
- 定时摄影 dìngshíshèyǐng time-lapsetime-lapse photography
- 定时信管 dìngshíxìnguǎn timed detonator