We don't have synonyms for stay time yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are start time, stop time and story time.
(n) :
(nuclear energy) The time period in which personnel may remain in a restricted area of a reactor before accumulating a certain permissible occupational dose.
(n) :
(aerospace engineering) Of the usage of a rocket engine, the mean value of the amount of time spent by each gas molecule or atom within the chamber volume.
(n) :
(dated, obsolete) Something that halts or arrests the passage of time.
(n) :
(nuclear energy) The time period in which personnel may remain in a restricted area of a reactor before accumulating a certain permissible occupational dose.
(n) :
(aerospace engineering) Of the usage of a rocket engine, the mean value of the amount of time spent by each gas molecule or atom within the chamber volume.
(n) :
(dated, obsolete) Something that halts or arrests the passage of time.