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.

REFINE definition: 1. to make something pure or improve something, especially by removing unwanted material: 2. to…. Learn more.

Definition of refine verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

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 …

REFINE meaning: 1 : to remove the unwanted substances in (something); 2 : to improve (something) by making small changes

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 precise: to refine a theory.

refine (rɪˈfaɪn) vb 1. to make or become free from impurities, sediment, or other foreign matter; purify

refine, n. & adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Dec 7, 2025 · (intransitive) To become pure; to be cleared of impure matter. (transitive) To purify of coarseness, vulgarity, inelegance, etc.; to polish.

Refine definition: To reduce to a pure state; purify.