floc·cu·late /ˈflɑkjəˌlet/
  絮凝作用
  floc·cu·late /ˈflɑkjəˌlet/ 動詞
  絮凝,絮結,絮凝物
  Floc·cu·late v. i. [imp. & p. p. Flocculated; p. pr. & vb. n. Flocculating.] Geol. To aggregate into small lumps.
  Floc·cu·late a. Zool. Furnished with tufts of curly hairs, as some insects.
  Floc·cu·late v. t. To convert into floccules or flocculent aggregates; to make granular or crumbly; as, the flocculating of a soil improves its mechanical condition.
     When applied to clay soils it [lime] binds the small particles together, or flocculates them.    --I. P. Roberts.
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  flocculate
       v 1: cause to become a fluffy or lumpy aggregate; "The chemist
            flocculated the suspended material"
       2: form into an aggregated lumpy or fluffy  mass; "the
          protoplasms flocculated"