refine

re- +‎ fine

• IPA^(key): /ɹɪˈfaɪn/
• Rhymes: -aɪn

refine (third-person singular simple present refines, present participle refining, simple past and past participle refined)

1. (transitive) To purify; reduce to a fine, unmixed, or pure state; to free from impurities.
   • 2013 August 3, “Yesterday’s fuel”, in The Economist, volume 408, number 8847:

     The dawn of the oil age was fairly recent. Although the stuff was used to waterproof boats in the Middle East 6,000 years ago, extracting it in earnest began only in 1859 after an oil strike in Pennsylvania. […] It was used to make kerosene, the main fuel for artificial lighting after overfishing led to a shortage of whale blubber. Other liquids produced in the refining process, too unstable or smoky for lamplight, were burned or dumped.

   to refine gold

   to refine iron

   to refine wine

   to refine sugar

2. (intransitive) To become pure; to be cleared of impure matter.
3. (transitive) To purify of coarseness, vulgarity, inelegance, etc.; to polish.

   to refine someone's manners

   to refine a language

   a refined style

   to refine one's tastes

4. (transitive, intransitive) To improve in accuracy, delicacy, or excellence.
   • 1815, Jane Austen, Emma, volume I, chapter 9:

     My dear Harriet, you must not refine too much upon this charade.—You will betray your feelings improperly, if you are too conscious and too quick, and appear to affix more meaning, or even quite all the meaning which may be affixed to it.

5. (transitive) To make nice or subtle.

   to refine thought

   to refine someone's language

• refinable
• refinement
• refiner
• refinery

• refine in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• refine in The Century Dictionary, New York, N.Y.: The Century Co., 1911.

• Feiner, enfire, ferine, fineer

refine

1. first-person singular present subjunctive of refinar
2. third-person singular present subjunctive of refinar
3. first-person singular imperative of refinar
4. third-person singular imperative of refinar

refine

1. Formal second-person singular (usted) imperative form of refinar.
2. First-person singular (yo) present subjunctive form of refinar.
3. Formal second-person singular (usted) present subjunctive form of refinar.
4. Third-person singular (él, ella, also used with usted^?) present subjunctive form of refinar.