Definition of "hibernation"
hibernation
/ˌhaɪ.bəːˈneɪ.ʃən/
noun
countable and uncountable, plural hibernations
(biology, sleep) A state of minimum power consumption, inactivity and metabolic depression in some animals during winter.
(biology, sleep, space science) A hypothetical state of minimum power consumption, inactivity and metabolic depression in humans during long space flights.