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  1. REFINING Definition & Meaning - Merriam-Webster

    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.

  2. REFINING | definition in the Cambridge English Dictionary

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

  3. Petroleum refining | Definition, History, Processes, & Facts

    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 …

  4. Refining crude oil - the refining process - U.S. Energy Information ...

    Feb 22, 2023 · Refining breaks crude oil down into its various components, which are then selectively reconfigured into new products. Petroleum refineries are complex and expensive …

  5. Refining - Wikipedia

    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 …

  6. REFINE | definition in the Cambridge English Dictionary

    Instead, engineers' efforts have been largely focused on refining the complicated algorithm used to control the flow of people through a building.

  7. Refining Operations | Marathon Petroleum Corporation

    Marathon Petroleum prides itself on operating safe, efficient and reliable refineries all across the US. Learn more about each of MPC's refineries and our refining operations.

  8. refining - WordReference.com Dictionary of English

    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 …

  9. Refining - definition of refining by The Free Dictionary

    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 …

  10. REFINE definition and meaning | Collins English Dictionary

    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 …