湮没

湮沒
yānmò
  1. to bury
  2. to submerge
  3. to pass into oblivion
  4. to obliterate
  5. to annihilate (physics)

CEDICT

physics

Entry Composition

1 湮 yān
  1. (literary) to sink into oblivion
  2. (literary) to silt up
  3. Taiwan pr. yīn
2 没 mò
  1. drowned
  2. to end
  3. to die
  4. to inundate