1. Small improvements or changes made to something to make it better or more precise
The software updates include several refinements to the user interface.
As atualizações de software incluem várias refinações na interface do usuário.
2. The process of making something more elegant, cultured, or sophisticated
The refinements in her manners impressed everyone at the dinner party.
As refinações em seus modos impressionaram todos na festa de jantar.
3. The action of removing impurities or unwanted elements from something
The refinements of crude oil produce various petroleum products.
As refinações do petróleo bruto produzem vários produtos petrolíferos.