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accuracy
/ˈæk.jʊ.rə.si/
being correct or precise
The scientist ensured the accuracy of the experiment by repeating the measurements three times.
The scientist made sure the experiment was correct by checking the measurements multiple times.
formal
The quality or state of being correct or precise.
The GPS device calculates distance with high accuracy.
The GPS device measures distance very precisely.
Accuracy is crucial in medical diagnoses to avoid misinterpretation.
Correctness in medical diagnoses is essential to prevent errors.
Accuracy emphasizes correctness without error, whereas precision refers to consistency in measurements.
Collocations
high accuracyvery precisemeasure accuracyassess correctnessaccuracy ratepercentage of correct results
Pro Tip
Accuracy vs. Precision
Remember: Accuracy is about being correct (hitting the target), while precision is about consistency (hitting the same spot repeatedly).
Gold Rule
Use in Context
Accuracy is typically used when discussing correctness in measurements, data, or information. For example, 'The report lacks accuracy in its financial projections.'
Word Origin
From Latin *accuratus* (done with care), past participle of *accurare* (to take care of), from *ad-* (to) + *curare* (to care for). Entered English in the late 16th century.
Usage Notes
Accuracy is often used in technical, scientific, or professional contexts where correctness is critical. It differs from precision, which refers to the consistency of repeated measurements.
Word Breakdown
ac-
to, toward
prefix-cur-
care
root-acy
state or quality of
suffixEnglish Dictionary