Noun refinement has 5 senses
  1. polish, refinement, culture, cultivation, finish - a highly developed state of perfection; having a flawless or impeccable quality; "they performed with great polish"; "I admired the exquisite refinement of his prose"; "almost an inspiration which gives to all work that finish which is almost art"--Joseph Conrad
    --1 is a kind of perfection, flawlessness, ne plus ultra
    Derived form: verb refine1
  2. refinement, elaboration - the result of improving something; "he described a refinement of this technique"
    --2 is a kind of improvement, betterment, advance
    Derived form: verb refine1
  3. refining, refinement, purification - the process of removing impurities (as from oil or metals or sugar etc.)
    --3 is a kind of processing
    --3 has particulars: rectification
    Derived forms: verb refine3, verb refine4
  4. nuance, nicety, shade, subtlety, refinement - a subtle difference in meaning or opinion or attitude; "without understanding the finer nuances you can't enjoy the humor"; "don't argue about shades of meaning"
    --4 is a kind of meaning, significance, signification, import
    Derived form: verb refine6
  5. refinement, civilization, civilisation - the quality of excellence in thought and manners and taste; "a man of intellectual refinement"; "he is remembered for his generosity and civilization"
    --5 is a kind of excellence