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