| Answer | Crossword Clue |
|---|---|
| engagements | The duration of such an agreement |
| engagement | The duration of such an agreement |
| ergodic | of or pertaining to the condition that, in an interval of sufficient duration, a system will return to states that are closely similar to previous ones: the assumption of such a condition underlies statistical methods used in modern dynamics and atomic th |
| indentures | The fact of being bound to service by such an agreement |
| seismographs | An instrument that measures and records details of earthquakes, such as force and duration |
| seismograph | An instrument that measures and records details of earthquakes, such as force and duration |
