noun, noun or participle which takes 'suru', transitive verb
Used for industrial or chemical processes that remove impurities from substances such as oil, sugar, or metals.
原油を精製してガソリンを作る。
Crude oil is refined to produce gasoline.
この工場では砂糖
This factory refines sugar.
noun, noun or participle which takes 'suru', transitive verb
careful manufacture; meticulous production
Emphasizes the care and precision in making something, often used for high-quality or artisanal products. Less common than sense 1.
その職人は精製した和紙を使っている。
The artisan uses carefully manufactured Japanese paper.