| Definitions | | mantissa |
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noun (mantissae)
- (obsolete) A minor addition to a text.
- (mathematics) The part of a common logarithm after the decimal point.
- (mathematics and computing) The significand; that part of a floating-point number that contains its significant digits.
Etymology: From Classical Latin Latin, mantissa, of unknown origin (said by w:Sextus Pompeius Festus, Festus to be a loanword from Etruscan).
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