refine
Tags: TOEFL core, academic
verb
To improve something by making it more precise, pure, or polished.
- She needs to refine her writing before submitting it.
- Oil is refined to produce fuel.
noun refinement
The process of improving or making something more polished or sophisticated.
- The design went through several stages of refinement.
- The chef’s skills show years of refinement.
adjective refined
Improved, polished, or showing good taste and elegance.
- He has a refined sense of style.
- The machine produces refined sugar.