Refiner - definition, pronunciation, transcription
Amer.
|rəˈfaɪnər|

Brit.
|rɪˈfaɪnə|

noun ▼
- one whose work is to refine a specific thing
he was a sugar refiner
Examples
The inventor of the machine spent years refining the design.
The class is meant to help you refine your writing style.