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未知數

简未知数 · 繁未知數

Mandarin · pinyin wèi zhī shù

unknown number
(fig.) an unknown; an uncertainty

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Characters in this entry

未: wèi · not yet; eighth earthly branch
知: zhī · know, perceive, comprehend
數: shù · number; several; count; fate
数: shù · number; several, count; fate

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

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Mandarin tones

4–1–4 · wei4 zhi1 shu4

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Read this spelling in Classical texts

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.

未知數 · find source passages ↗ · 未知数 · find source passages ↗

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Rime Cantonese 粵拼

mei6 zi1 sou3

Cantonese word readings for 未知數. This lexicon supplies readings, not definitions.

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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

(mathematics) unknown quantity
the unknown; something undetermined

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

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