剥蚀

剝蝕
bōshí
  1. to corrode
  2. to expose by corrosion (geology)

CEDICT

geology

Entry Composition

1 剥 bō
  1. to peel
  2. to skin
  3. to flay
  4. to shuck
2 蚀 shí
  1. to nibble away at sth
  2. to eat into
  3. to erode