Meaning of fractional

frac•tion•al

Pronunciation: (frak'shu-nl), [key]
— adj.
  1. pertaining to fractions; comprising a part or the parts of a unit; constituting a fraction: fractional numbers.
  2. comparatively small; inconsiderable or insignificant: The profit on the deal was fractional.
  3. of or noting a process, as distillation, crystallization, or oxidation, by which the component substances of a mixture are separated according to differences in certain of their properties, as boiling point, critical temperature, or solubility.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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