未知數

简 未知数 · 繁 未知數
Mandarin · pinyin wèi zhī shù

Meanings

  1. unknown number
  2. (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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Compare dictionary sources Wiktionary · 2 senses · 1 Cantonese reading

Rime Cantonese 粵拼

mei6 zi1 sou3

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

CanCLID contributors · CC BY 4.0 · source & license · Data pack

mei6 zi1 sou3

Pleco · CC BY-SA 3.0 · Word reading; meanings not aligned.

Wiktionary English definitions · Chinese section

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

noun

  1. (mathematics) unknown quantity
  2. the unknown; something undetermined

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

Wiktionary contributors · CC BY-SA 4.0 · source & license · Data pack