noun Date: circa 1611 the action or process of refining, the quality or state of being refined ; cultivation , 3. a refined feature or method, a highly refined distinction ; subtlety , a contrivance or device intended to improve or perfect
REFINEMENT
Meaning of REFINEMENT in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012