de·min·er·al·iza·tion /(ˌ)diˌmɪnərələˈzeʃən, dɪ-/
  de·min·er·al·iza·tion /(ˌ)dɪˌmɪn(ə)rələˈzeʃən/ 名詞
  脫礦質(作用)
  demineralization
       n 1: abnormal loss of mineral salts (especially from bone) [syn:
            demineralisation]
       2: the removal of minerals and mineral salts from a liquid
          (especially from water) [syn: demineralisation]