A temporary gap, pause, break, or absence can be called a hiatus. When your favorite TV show is on hiatus, that means there are no new episodes — not forever, just for a little while.
Even things that go on for a long time take a break once in a while: one kind of break is a hiatus. If someone has to leave her job for a time, she's going on hiatus. A touring band will need to take a hiatus if the lead singer gets in an accident. The key thing about a hiatus is that it's an interruption of something that was happening, but it's not a permanent break.
n an interruption in the intensity or amount of something
abatement of a fever as indicated by a reduction in body temperature
remission, remittal, subsidence
an abatement in intensity or degree (as in the manifestations of a disease)
the subsidence of swelling or other signs of inflammation (especially in a lung)
n a natural opening or perforation through a bone or a membranous structure
Monro's foramen, foramen of Monro, interventricular foramen
the small opening (on both the right and left sides) that connects the third ventricle in the diencephalon with the lateral ventricle in the cerebral hemisphere
the large opening at the base of the cranium through which the spinal cord passes