refinement
名词 refinement:
a highly developed state of perfection; having a flawless or impeccable quality--Joseph Conrad
同义词:polish, culture, cultivation, finish
the result of improving something
同义词:elaboration
the process of removing impurities (as from oil or metals or sugar etc.)
同义词:refining, purification
a subtle difference in meaning or opinion or attitude
同义词:nuance, nicety, shade, subtlety
the quality of excellence in thought and manners and taste
同义词:civilization, civilisation