Definition of "Refine" :

verb: make more complex, intricate, or richer

"Refine a design or pattern."

verb: make more precise or increase the discriminatory powers of

"Refine a method of analysis."

verb: attenuate or reduce in vigor, strength, or intensity by polishing or purifying

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

verb: improve or perfect by pruning or polishing

"Refine one's style of writing."

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

"Refine sugar."

verb: treat or prepare so as to put in a usable condition

"Refine paper stock."