Definition of Refine

Verb: refine ri'fIn

Improve or perfect by pruning or polishing
"refine one's style of writing";
- polish, fine-tune, down
Make more complex, intricate, or rich
"refine a design or pattern";
- complicate, rarify, elaborate
Treat or prepare so as to put in a usable condition
"refine paper stock"; "refine pig iron"; "refine oil"
Reduce to a fine, unmixed, or pure state; separate from extraneous matter or cleanse from impurities
"refine sugar";
- rectify
Attenuate or reduce in vigour, strength, or validity by polishing or purifying
"many valuable nutrients are refined out of the foods in our modern diet"
Make more precise or increase the discriminatory powers of
"refine a method of analysis"; "refine the constant in the equation"