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View synonyms for hibernation
hibernation
[ hahy-ber-ney-shuhn ]
noun
- a state of winter dormancy in some animals, in which normal annual rhythms slow the heart, breathing, and metabolic rates to a minimum, and the animal sleeps deeply in protective quarters. Compare brumation ( def ).
hibernation
/ hī′bər-nā′shən /
- An inactive state resembling deep sleep in which certain animals living in cold climates pass the winter. In hibernation, the body temperature is lowered and breathing and heart rates slow down. Hibernation protects the animal from cold and reduces the need for food during the season when food is scarce.
- Compare estivation
hibernation
- Passing the winter in a sleeping or inactive condition. Bears, ground squirrels, woodchucks, and several other kinds of animals hibernate.
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Word History and Origins
Origin of hibernation1
First recorded in 1680–90; hibernat(e) ( def ) + -ion ( def )
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