Found 2 items, similar to mantissa.
English → English (WordNet)
Definition: mantissa
mantissa
n : the positive fractional part of the representation of a
logarithm; in the expression log 643 = 2.808 the mantissa
is .808 [syn:
fixed-point part]
English → English (gcide)
Definition: mantissa
mantissa
\man*tis*sa\, n. [L., an addition, makeweight; of
Tuscan origin.] (Math.)
The decimal part of a logarithm, as distinguished from the
integral part, or
characteristic.
[1913 Webster]