Bedeutung von “refinement” — Learner’s Dictionary

refinement

noun us uk /rɪˈfaɪnmənt/
IMPROVEMENT [ C, U ]

a small change that improves something:

Several refinements have been made to improve the car's performance.
POLITE [ U ]

polite behaviour and knowledge of social rules:

a woman of refinement
PURE [ U ]

the process of making a substance pure

(Definition von “refinement” aus dem Cambridge Learner's Dictionary © Cambridge University Press)