interphases

/ˈɪntərˌfeɪzɪz/
noun
  1. The periods between distinct stages or phases of a process or activity.
    • The project had several interphases where the team reviewed progress before moving to the next step.
    • During the interphases of the experiment, the samples were stored in a controlled environment.
    • The coach planned short interphases of rest between intense training sessions.