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estimator

British  
/ ˈɛstɪˌmeɪtə /

noun

  1. a person or thing that estimates

  2. statistics a derived random variable that generates estimates of a parameter of a given distribution, such as ̄X , the mean of a number of identically distributed random variables Xi. If ̄X is unbiased, ̄x , the observed value should be close to E ( Xi ) See also sampling statistic

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In his long career as a labor estimator for General Motors, he spent his days working with numbers and his nights playing with numbers in his head.

From The Wall Street Journal • Dec. 4, 2025

However, the IRS estimator cautions that its estimator is not currently able to calculate the tax impact of overtime and tipped pay.

From MarketWatch • Nov. 21, 2025

As long as a multi-camera setup and a 2D posture estimator is available, the framework can be applied to track 3D postures of any animals.

From Science Daily • May 28, 2024

Michael, 56, has a slow-developing adult form of the illness and still works full-time in shipbuilding as an estimator, doing costings on billion pound warships for BAE Systems in Glasgow.

From BBC • Dec. 23, 2023

Mr. Reivers was a foreman for the company that my father was estimator for.

From The Snow-Burner by Oyen, Henry