Definitions for Hibernation

This page provides all possible meanings and translations of the word Hibernation

Princeton's WordNet

  1. hibernation(noun)

    the torpid or resting state in which some animals pass the winter

  2. hibernation(noun)

    cessation from or slowing of activity during the winter; especially slowing of metabolism in some animals

  3. hibernation(noun)

    the act of retiring into inactivity

    "he emerged from his hibernation to make his first appearance in several years"

Wiktionary

  1. hibernation(Noun)

    A state of inactivity and metabolic depression in animals during winter.

  2. hibernation(Noun)

    A standby state which conserves power without losing the contents of memory.

  3. Origin: From hibernatio.

Webster Dictionary

  1. Hibernation(noun)

    the act or state of hibernating

Freebase

  1. Hibernation

    Hibernation is a state of inactivity and metabolic depression in endotherms. Hibernation refers to a season of heterothermy that is characterized by low body temperature, slow breathing and heart rate, and low metabolic rate. Although traditionally reserved for "deep" hibernators such as rodents, the term has been redefined to include animals such as bears and is now applied based on active metabolic suppression rather than based on absolute body temperature decline. Many experts believe that the processes of daily torpor and hibernation form a continuum and utilize similar mechanisms. Hibernation during the summer months is known as aestivation. Some reptile species are said to brumate, or undergo brumation, but any possible similarities between brumation and hibernation are not firmly established. Often associated with cold temperatures, the purpose of hibernation is to conserve energy during a period when sufficient food is scarce. To achieve this energy savings, an endotherm will first decrease its metabolic rate, which then results in a decreased body temperature. Hibernation may last several days, weeks, or months depending on the species, ambient temperature, time of year, and individual animal's body condition.

U.S. National Library of Medicine

  1. Hibernation

    The dormant state in which some warm-blooded animal species pass the winter. It is characterized by narcosis and by sharp reduction in body temperature and metabolic activity and by a depression of vital signs.


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