'Fractional crystallization' definitions:
Definition of 'Fractional crystallization'
From: GCIDE
- Fractional \Frac"tion*al\, a.
- 1. Of or pertaining to fractions or a fraction; constituting a fraction; as, fractional numbers. [1913 Webster]
- 2. Relatively small; inconsiderable; insignificant; as, a fractional part of the population. [1913 Webster]
- 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. [1913 Webster]