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Entry 2 senses Webster, 1913

Flocculation

· Floc·cu·la·tion · IPA /ˌflɒkjʊˈlɛɪ̯ʃən/
01 n. The process by which small particles of fine soils and sediments aggregate into larger lumps.
  1. 1.
    The process by which small particles of fine soils and sediments aggregate into larger lumps.(Geol.)
  2. 2.
    The process or event in which masses of a solid substance of perceptible size form in a liquid by aggregation of smaller particles, and usually sediment to the bottom of the containing vessel; as, addition of a cationic polymer can cause flocculation of a negatively charged colloidal suspension.