精練

精练
jīngliàn
  1. (textiles) to scour
  2. to degum (silk)
  3. variant of 精煉 jīngliàn

CEDICT

Entry Composition

1 精 jīng
  1. essence
  2. extract
  3. vitality
  4. energy
  5. semen
  6. sperm
  7. mythical goblin spirit
  8. highly perfected
  9. elite
  10. the pick of sth
  11. proficient (refined ability)
  12. extremely (fine)
  13. selected rice (archaic)
2 練 liàn
  1. to practice
  2. to train
  3. to drill
  4. to perfect (one's skill)
  5. exercise
  6. (literary) white silk
  7. to boil and scour raw silk