The meaning of REFINE is to free (something, such as metal, sugar, or oil) from impurities or unwanted material. How to use refine in a sentence.

REFINING meaning: the process of making different products from a basic product, usually oil or sugar: . Learn more.

Petroleum refining, conversion of crude oil into useful products, including fuel oils, gasoline (petrol), asphalt, and kerosene. Learn more about petroleum refining, including its history and the various …

The refining of liquids is often accomplished by distillation or fractionation; this process is useful, for example, for isolating different fractions of petroleum. Gases can be refined in this way as well, by …

When a substance is refined, it is made pure by having all other substances removed from it. ...oil refining. If something such as a process, theory, or machine is refined, it is improved by having small …

To free from coarse, unsuitable, or immoral characteristics: refined his manners; refined her speaking style. 1. To become free of impurities. 2. To acquire polish or elegance. 3. To use precise distinctions …

re•fine /rɪˈfaɪn/ v. [~ + object], -fined, -fin•ing. to separate (something) from impure substances: to refine oil. to bring (something) to a finer state or form by purifying, polishing, changing, or making it more …