発はつ熱ねつ

also: ほつねつ

は

つ

ね

つ

Common wordJLPTN1Freq.FrequencyTop 20,000

発熱する · noun or participle which takes 'suru'

Meanings

generation of heat; heat production

Only with reading はつねつ

Refers to the physical process of producing heat, often in scientific or technical contexts.

fever; pyrexia

Commonly used for a feverish condition, especially in medical or everyday health contexts.

〈人ひと〉が発はつ熱ねつするfor a person to run a fever
子こ供どもが発はつ熱ねつしたので病びょう院いんに連つれて行いった。
My child ran a fever, so I took them to the hospital.
〈物もの〉が発はつ熱ねつするfor a device or material to generate heat
このバッテリーは使し用よう中ちゅうに発はつ熱ねつする。
This battery generates heat while in use.
発はつ熱ねつを伴ともなう〈事こと〉(a symptom) accompanied by fever
発はつ熱ねつを伴ともなう咳せきが続つづいている。
I've had a cough accompanied by a fever.
発はつ熱ねつが続つづくfor a fever to continue
三みっ日間かんも発はつ熱ねつが続つづいている。
The fever has continued for three days now.

熱ねつN5
熱 is the general noun for heat or a fever, while 発熱 specifically emphasizes the onset or generation of that heat.
高こう熱ねつN1sense 2
高熱 refers to a high fever specifically, while 発熱 is the broader term for having any fever or generating heat.

吸きゅう熱ねつ sense 1
発熱 means generating or releasing heat, while 吸熱 means absorbing heat, as in an endothermic reaction.
解げ熱ねつN1
解熱 means bringing a fever down, while 発熱 means a fever coming on or being generated.

体たい温おんN3sense 2
体温 is simply body temperature, while 発熱 specifically means that temperature has risen into a fever.
微び熱ねつN1
発熱 describes the act or event of developing a fever (of any severity), whereas 微熱 describes the mild degree of an existing fever.
発はっ汗かん
発汗 and 発熱 share the prefix 発 and both appear in medical contexts, but 発汗 means 'sweating' while 発熱 means 'fever/generating heat'.

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高こう熱ねつN1
発熱 describes the act or process of developing a fever, while 高熱 describes the resulting high body temperature itself.
熱ねつ病びょう
発熱 refers to the onset of a fever as a symptom, whereas 熱病 denotes the underlying disease that causes prolonged fever.

発熱Usage100%
- はつねつ
  Standard kanji form; high priority.
- ほつねつ
  out-dated reading
ほつねつ
out-dated reading
Obsolete kana usage; included for recognition of historical texts.

A compound of 発, “emit or produce,” and 熱, “heat,” covering both the production of heat and the development of a fever.