definition of
refine

[1] #1 refine v. [polish, fine-tune, down] improve or perfect by pruning or polishing; "refine one's style of writing". wn

[2] #2 refine v. [complicate, rarify, elaborate] make more complex, intricate, or richer; "refine a design or pattern". wn

[3] #3 refine v. treat or prepare so as to put in a usable condition; "refine paper stock"; "refine pig iron"; "refine oil". wn

[4] #4 refine v. [rectify] reduce to a fine, unmixed, or pure state; separate from extraneous matter or cleanse from impurities; "refine sugar". wn

[5] #5 refine v. attenuate or reduce in vigor, strength, or validity by polishing or purifying; "many valuable nutrients are refined out of the foods in our modern diet". wn