Definition & Meaning

1.unknown number; number in algebraic expression or equation that should be decided through calculation, such as "x" in the equation 3x+6=27

2.uncertainty; something unknown

Word usage

wèi zhī shù

未 知 数

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Chinese dictionary
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1
n.unknown number; number in algebraic expression or equation that should be decided through calculation, such as "x" in the equation 3x+6=27
- tōng guò yǐ zhī shù kě yǐ suàn chu wèi zhī shù
  通过已知数可以算出未知数。
  The unknown number can be calculated from the data.
antonym
yǐ zhī shù已知数
2
n.uncertainty; something unknown
- mù qián wéi zhǐ jì huà néng fǒu chéng gōng hái shi yī gè wèi zhī shù
  目前为止，计划能否成功还是一个未知数。
  Now, nobody is sure whether the plan can be a success or not.
- xià yī bù hái shi yī ge wèi zhī shù
  下一步还是一个未知数。
  We are still uncertain what to do next.
antonym
yǐ zhī shù已知数

Word usage

common measure word
"未知数" is often matched with measure word "个".
- 一个未知数
  one unknown quantity

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