Definition of hypothermia noun from the Oxford Advanced American Dictionary

 

hypothermia

 noun
noun
NAmE//ˌhaɪpəˈθərmiə//
 
[uncountable]
 
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a medical condition in which the body temperature is much lower than normal Elderly people may die of hypothermia if they cannot afford to heat their homes.
See the Oxford Advanced Learner's Dictionary entry: hypothermia