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random error

/ˈrændəm ˈɛrər/ · ran·dom er·ror
noun
  1. An unpredictable and unintentional deviation from the true value of a measurement or outcome, often due to external factors or equipment malfunction. The researchers accounted for the random error in their experiment by using multiple trials and averaging the results.
  2. A mistake or discrepancy that occurs unexpectedly and is not due to a systematic cause. The company's financial reports showed a random error in the accounting department, which was corrected before the end of the quarter.
Did you know? The concept of random error is crucial in scientific research, as it helps scientists to understand and account for the limitations and uncertainties of their measurements and experiments.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Aug 10, 2026