(こうねつ)

こうねつ
noun
high fever; high temperature
medical
1. high fever
An abnormally high body temperature, typically 38°C (100.4°F) or above. Used in medical and everyday contexts.
高熱(こうねつ)()
I developed a high fever.
The child had a high fever and stayed home from school.
三日間(みっかかん)高熱(こうねつ)(つづ)いたで、病院(びょういん)検査(けんさ)()けた
The high fever persisted for three days, so I had tests done at the hospital.

Compound of (こう) (high) + (ねつ) (fever/heat).

Common collocations

Distinct from 微熱(びねつ) (slight fever, around 37-37.5°C) and 発熱(はつねつ) (fever in general). 高熱(こうねつ) specifically implies a temperature high enough to cause concern.