significant figure

English

Noun

significant figure (plural significant figures)

  1. (mathematics) A digit that is meaningful with respect to the precision of a measurement: in other words a digit that is non-zero, followed by a non-zero digit, or (for trailing zeroes) justified by the precision of the derivation or measurement.
    Synonym: significant digit
  2. Used other than figuratively or idiomatically: see significant, figure.

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