refine

verb

1. improve or perfect by pruning or polishing

   verb.change

   Examples

   Refine one's style of writing.

   Synonyms down fine-tune polish

   Source: WordNet 3.0

2. make more complex, intricate, or richer

   verb.change

   Examples

   Refine a design or pattern.

   Synonyms complicate elaborate rarify

   Source: WordNet 3.0

3. treat or prepare so as to put in a usable condition

   verb.change

   Examples

   Refine paper stock.

   Refine pig iron.

   Refine oil.

   Source: WordNet 3.0

4. reduce to a fine, unmixed, or pure state; separate from extraneous matter or cleanse from impurities

   verb.change

   Examples

   Refine sugar.

   Synonyms rectify

   Source: WordNet 3.0

5. attenuate or reduce in vigor, strength, or validity by polishing or purifying

   verb.change

   Examples

   Many valuable nutrients are refined out of the foods in our modern diet.

   Source: WordNet 3.0

6. make more precise or increase the discriminatory powers of

   verb.change

   Examples

   Refine a method of analysis.

   Refine the constant in the equation.

   Source: WordNet 3.0

7. To reduce to a fine, unmixed, or pure state; to free from impurities; to free from dross or alloy; to separate from extraneous matter; to purify; to defecate; as, to <i>refine</i> gold or silver; to <i>refine</i> iron; to <i>refine</i> wine or sugar.

   verb

   Source: webster1913

8. To become pure; to be cleared of feculent matter.

   verb

   Source: webster1913