雜質

杂质
zázhì
impurity

CEDICT

impurity; foreign substance

Wiktionary

不屬於該物質的其他成分

維基詞典

Entry Composition

1 雜 zá
  1. mixed
  2. miscellaneous
  3. various
  4. to mix
2 質 zhì
  1. character
  2. nature
  3. quality
  4. plain
  5. to pawn
  6. pledge
  7. hostage
  8. to question
  9. Taiwan pr. zhí