hypothermia
noun /ˌhaɪpəˈθɜːmiə/
/ˌhaɪpəˈθɜːrmiə/
[uncountable]- 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.
Word Originlate 19th cent.: from hypo- ‘below’ + Greek thermē ‘heat’.