變質作用

变质作用
biànzhìzuòyòng
metamorphism (geology)

CEDICT

geology

Entry Composition

1 變質 biànzhì
  1. to degenerate; to deteriorate
  2. (of food) to go bad; to go off
  3. (geology) metamorphism
2 作用 zuòyòng
  1. to act on; to affect
  2. action; function; activity
  3. impact; result; effect
  4. purpose; intent
  5. (suffix) -ation, -tion etc, as in 抑制作用 yìzhìzuòyòng, inhibition