同化

tónghuà
assimilation (cultural, digestive, phonemic etc)

CEDICT

Entry Composition

1 同 tóng
  1. like
  2. same
  3. similar
  4. together
  5. alike
  6. with
2 化 huà
  1. to make into
  2. to change into
  3. -ization
  4. to ... -ize
  5. to transform
  6. abbr. for 化學 huàxué