Simple Definition of fractional
mathematics : of or relating to a fraction
: very small
: not complete
Full Definition of fractional
Examples of fractional
There has been a fractional rise in the price of the stock.
There is only a fractional improvement in the new version.
First Known Use of fractional
Medical Definition of fractional
: of, relating to, or involving a process for separating components of a mixture through differences in physical or chemical properties <fractional distillation>
Seen and Heard
What made you want to look up fractional? Please tell us where you read or heard it (including the quote, if possible).