淘汰 [ㄊㄠˊ ㄊㄞˋ; tao2 tai4]
  to wash out
  elimination (by selection)
  natural selection
  to knock out (in a competition)
  to die out
  to phase out
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  淘汰
  とうた
  noun (common) (futsuumeishi)
  noun or participle which takes the aux. verb suru
  weeding out
  elimination (e.g. of unneeded employees)
  culling
  selection
  see: 自然淘汰・しぜんとうた
  selection (e.g. natural selection)
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