D defs.my
Entry 2 senses Webster, 1913

Fractional

/frăkʹshənəl/ · Frac·tion·al · IPA /ˈfɹæk.ʃən.əl/
01 a. Of or pertaining to fractions or a fraction; constituting a fraction; as, fractional numbers.
  1. 1.
    Of or pertaining to fractions or a fraction; constituting a fraction; as, fractional numbers.
  2. 2.
    Relatively small; inconsiderable; insignificant; as, a fractional part of the population.
Phrases & compounds
Fractional crystallization — 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 — 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.