verbs
improve or perfect by pruning or polishing
"refine one's style of writing"
make more complex, intricate, or richer
"refine a design or pattern"
treat or prepare so as to put in a usable condition
"refine paper stock"; "refine pig iron"; "refine oil"
is a type of (narrower)
subject to a process or treatment, with the aim of readying for some purpose, improving, or remedying a condition
"process cheese"; "process hair"; "treat the water so it can be drunk"; "treat the lawn with chemicals" ; "treat an oil spill"
reduce to a fine, unmixed, or pure state; separate from extraneous matter or cleanse from impurities
"refine sugar"
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"
is a type of (narrower)
become weaker, in strength, value, or magnitude
make more precise or increase the discriminatory powers of
"refine a method of analysis"; "refine the constant in the equation"
is a type of (narrower)
cause to change; make different; cause a transformation
"The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue"