Kanji Kaisen

漢字Kanji · in Nature & Elements

熱: heat, temperature

Also: fever, mania, passion

JLPT N315 strokesGrade 4Your ink: 白 Not met

灬 carries the meaning · 埶 gives the sound

15 strokes
  • Small seal · Qin
  • Today

Small seal: Wikimedia Commons, public domain. Today’s form: KanjiVG, CC BY-SA 3.0.

Two readings, and the words that use each

ネツnetsu · on'yomi · in compounds

  • 熱ねつfever, temperature
  • 高熱こうねつhigh fever, high temperature
  • 情熱じょうねつpassion
  • 光熱費こうねつひlighting and heating expenses
  • 熱湯ねっとうboiling water
  • 熱心なねっしんなenthusiastic
  • 加熱するかねつするheat [v.t.]
  • 発熱するはつねつするgenerate heat
  • 熱中するねっちゅうするbe absorbed, enthusiastic

あついatsui · kun'yomi · on its own

  • 熱いあついhot

Words: Kanji alive, CC BY 4.0.

Learn it 4 steps
Print sheet Present
成り立ち

Where it comes from

Origin · sourced

Phono-semantic compound (形聲)埶 (sound) + 火 fire, as 灬 (meaning)

Source: Wiktionary, 熱 (rev. 94586486), CC BY-SA 4.0

Memory story · made up to help you remember

“Something intensely hot from flames below”
From the 灬 fire story
繋がり
Ink shades, lightest to darkest: 白 Not met, 淡 Met, 中 Learning, 濃 Familiar, 印 Mastered
埶

Also built on 埶

灬

Also built on fire (灬)

All 19

Easy to confuse

The difference, side by side
熱 heat · 灬
vs勢 forces · 力
熱 has 灬 where 勢 has 力.
In ChineseSimplified 热 · traditional, as in Japanese · rè

Japan keeps the traditional form 熱; mainland China simplifies it to 热.

Simplified
热 mainland China, Singapore
Traditional
熱 Taiwan, Hong Kong

Pinyin rè most common reading

Forms and pinyin: Unicode Unihan database (Unicode License v3). Pinyin lists the most common reading, not every reading.

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