floc·cu·la·tion /ˌflɑkjəˈleʃən/ 名詞
  絮凝(作用),結絮(作用),絮凝作用,絮狀(反應)
  Floc·cu·la·tion n. Geol.
  1. The process by which small particles of fine soils and sediments aggregate into larger lumps.
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  flocculation
       n : the process of flocculating; forming woolly cloudlike
           aggregations