1. The process of separating a mixture into smaller parts or components, especially by chemical or physical means.
Usage: commonly used in chemistry and petroleum refining

1. Present participle of 'fraction': to divide into fractions or smaller parts.
Usage: less common than the noun form

Examples

• Oil refining relies on fractioning crude oil into gasoline, diesel, and other products.
• The fractioning of the sample allowed scientists to identify its individual components.
• Fractioning the mixture by density helped separate the heavier particles from the lighter ones.
• The laboratory uses fractioning techniques to purify chemical compounds.
• Fractioning the population into age groups made the data easier to analyze.
• Industrial fractioning processes are essential in the production of many everyday products.