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Mandarin · pinyin rè yuán

heat source

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Characters in this entry

熱: rè · hot; heat; fever; restless; zeal
源: yuán · spring; source, head; surname
热: rè · hot; heat; fever; restless; zeal

Written characters and their own readings; the entry’s pronunciation is shown above.

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Mandarin tones

4–2 · re4 yuan2

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Follow a written form into the eight pinned witnesses: Analects, Mencius, Laozi, Zhuangzi, Xunzi, Han Feizi, Sunzi and the Mao Shijing. A match is a place to investigate; it does not prove that a modern dictionary sense fits the passage.

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Wiktionary English definitions · Chinese section

Independent source senses for this spelling, with usage labels retained. Not matched to the pronunciation above.

noun

(physics) heat source

Source page · dump 2026-09-02 · Contributors & history

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