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English definition of “accuracy”

accuracy

noun [U]  /ˈæk·jər·ə·si/ us  

accuracy noun [U] (CORRECTNESS)

the fact of being correct and without any mistakes: He challenged the accuracy of the research results. science Accuracy is also the agreement of a particular measurement with an accepted standard.

accuracy noun [U] (EXACTNESS)

the fact of being exactly aimed and moving on an intended path: The predawn raid was executed with pinpoint accuracy.
(Definition of accuracy from the Cambridge Academic Content Dictionary © Cambridge University Press)
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