2. Relatively small; inconsiderable; insignificant; as, a
fractional part of the population.
{Fractional crystallization} (Chem.), a process of gradual
and approximate purification and separation, by means of
repeated solution and crystallization therefrom.
{Fractional currency}, small coin, or paper notes, in
circulation, of less value than the monetary unit.
{Fractional distillation} (Chem.), a process of distillation
so conducted that a mixture of liquids, differing
considerably from each other in their boiling points, can
be separated into its constituents.