Definition of error bar in English:

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error bar

noun

Mathematics
A line through a point on a graph, parallel to one of the axes, which represents the uncertainty or error of the corresponding coordinate of the point.
Example sentences
  • The error bar at bottom corresponds to 1.0 substitution per site.
  • The large error bar results from uncertainties in the determination of the double integrated spectra due to the poor signal/noise ratio and particularly due to baseline artifacts.
  • Each plot is a mean frequency of 8-12 lines, where each line has five replicates, and the error bar indicates one standard deviation.

For editors and proofreaders

Syllabification: er·ror bar

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