及物动词

1. 提炼;精炼
When a substance is refined, it is made pure by having all other substances removed from it.

1. make more complex, intricate, or richer

e.g. refine a design or pattern

Synonym: complicaterarifyelaborate

2. make more precise or increase the discriminatory powers of

e.g. refine a method of analysis
refine the constant in the equation

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

e.g. many valuable nutrients are refined out of the foods in our modern diet

4. improve or perfect by pruning or polishing

e.g. refine one's style of writing

Synonym: polishfine-tunedown

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

e.g. refine sugar

Synonym: rectify

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

e.g. refine paper stock
refine pig iron
refine oil