refiner

Meanings

1. 1
   noun

   a person or company that purifies or processes a raw substance such as oil, sugar, or metal

   The regional refiner converts crude oil into gasoline, diesel, and jet fuel.

2. 2
   noun

   a person or thing that improves something by removing faults or making it more precise

   A demanding editor can be a valuable refiner of an argument.

Formed from refine + the agent or instrument suffix -er. Refine first referred to purifying a material and later broadened to improving an idea, skill, or work by removing defects; refiner follows both branches of the verb.

Topics

External links

• Google Images
• Cambridge Dictionary
• Wiktionary