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hiatal
hiatal hernia
hiatus
HIB vaccine
hibachi
hibakusha
hibernaculum
hibernal
hibernate
hibernating myocardium
hibiscus
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hibernate

hi·ber·nate [ hbər nàyt ] (past and past participle hi·ber·nat·ed, present participle hi·ber·nat·ing, 3rd person present singular hi·ber·nates)


intransitive verb 
Definition:
 
1. pass winter asleep: to be in a dormant state resembling sleep over the winter while living off reserves of body fat, with a decrease in body temperature and pulse rate and slower metabolism. Animals that hibernate include bears, bats, and many amphibians.

2. become less active: to become less active, especially by staying at home rather than going out to socialize ( informal humorous )

[Early 19th century. < Latin hibernat-, past participle of hibernare< hiberna "winter quarters" < hibernus "wintry"]

hi·ber·na·tion [ hbər náysh'n ] noun
hi·ber·na·tor noun
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