取代

qǔdài
  1. to replace
  2. to supersede
  3. to supplant
  4. (chemistry) substitution

CEDICT

chemistry

Entry Composition

1 取 qǔ
  1. to take
  2. to get
  3. to choose
  4. to fetch
2 代 dài
  1. to be a substitute for; to act on behalf of; to replace; to substitute
  2. generation; dynasty; age; period; (historical) era; (geological) eon