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V2 |
| [in chemistry] remove a constituent from a liquid | |||
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| a component of a mixture that has been separated by a fractional process | |||
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| the process whereby heavy molecules of naphtha or petroleum are broken down into hydrocarbons of lower molecular weight (especially in the oil-refining process) | |||
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V2 |
| [in chemistry] separate into constituents or fractions containing concentrated constituents |