noun, noun or participle which takes 'suru', transitive verb
Technical term for purifying metals or other materials through heating or chemical processes. Used in industrial contexts.
この工場では鉄鉱石を精錬している。
This factory smelts iron ore.
銅の精
High temperatures are necessary for copper refining.
noun, noun or participle which takes 'suru', transitive verb
training; drilling; polishing (skills)
Only when written 精錬 / 精煉
Metaphorical extension of refining; used for intensive training or honing of skills, often in sports or arts. Restricted to the kanji forms 精錬 and 精煉.
See also: 精練
選手たちは合宿で技を精錬した。
The athletes polished their skills at the training camp.
彼は書道の精錬に励んでいる。
He is devoted to the training of calligraphy.