Wiktionary
time-stretch
vb. (context transitive English) To change the speed or duration of (an audio signal) without affecting its pitch.
Usage examples of "time-stretch".
But while it was knowledge and technical understanding Jeremy had gained during those lost, lifeless weeks, life lived at the time-stretched rate of two weeks to every month of elapsed universal time while a ship was in jump, it still wasn't real-life experience.
The ensuing two months had all the endless time-stretching tension of the waiting period while coming into range and before 'Commence firing!