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Alternative forms[edit]


Late Middle English, borrowing from Late Latin cōnfluentia (a flowing together, conflux), from cōnfluēns (present participle of cōnfluō (to flow or run together)) +‎ -ia (nominal suffix).



confluence (plural confluences)

  1. The act of combining that occurs where two rivers meet.
    The confluence of the rivers produced a great rush of water.
    1. The place where two rivers, streams, or other continuously flowing bodies of water meet and become one, especially where a tributary joins a river.
      We encountered an abandoned boat at the confluence of the Mississippi and Ohio Rivers.
      Synonym: watersmeet
      Antonyms: fork, branch
    2. The stream or body formed by the junction of two or more streams; a combined flood.
  2. A convergence or combination of forces, people, or things.
    The confluence of our skills resulted in a successful home renovation project.
    Synonym: coinfluence
    Hyponym: confluence of sinuses
  3. (biology) The proportion of cells, in a culture medium, that adhere to each other.
  4. (computer science, in rewriting systems) A property describing which terms can be rewritten with other, equivalent terms.


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