Chinese word

误差

Pronunciation

Pinyinwù chā

Meaning

  • nounerror

Example

这个数据有很大的误差。zhè ge shù jù yǒu hěn dà de wù chā

There is a large error in this data.

Illustration for 误差 (error)

More examples

测量中常常存在系统性和随机性两类误差。cè liáng zhōng cháng cháng cún zài xì tǒng xìng hé suí jī xìng liǎng lèi wù chā

There are often two types of error in measurement: systematic and random.

Core concept

The amount by which a measured or calculated number misses, exceeds, or differs from the true value.

Common phrases

  • 测量误差cè liáng wù chā

    measurement error

  • 计算误差jì suàn wù chā

    calculation error

  • 相对误差xiāng duì wù chā

    relative error

Similar words

系统误差xì tǒng wù chā: A measurement error caused by a method or device problem that creates a consistent bias.
随机误差suí jī wù chā: A measurement error that changes unpredictably in size or direction from one measurement to the next.
偏差piān chā: The amount by which a value differs from a reference value or average.
残差cán chā: The difference between an observed value and the value predicted by a model.

Definition in Chinese

实际测量或计算得到的数值与真实值之间的差别或偏离。shí jì cè liáng huò jì suàn dé dào de shù zhí yǔ zhēn shí zhí zhī jiān de chā bié huò piān lí

Word origin

误差 (wùchā, "error") is formed from 误 (wù, "deviation") plus 差 (chā, "difference"), linking the idea of error to a measurable difference.

Usage tips

  • This word appears in everyday discussions of weighing, timing, distances, and data, so it is not limited to formal laboratory language.

Opposites

  • 准确性zhǔn què xìngaccuracynoun
  • 精度jīng dùaccuracynoun

Related words

  • 误差分析wù chā fēn xīerror analysisnoun
  • 误差率wù chā lǜerror ratenoun
  • 绝对误差jué duì wù chāabsolute errornoun

Word lists with this word