"precipitation reaction" meaning in English

{
  "forms": [
    {
      "form": "precipitation reactions",
      "tags": [
        "plural"
      ]
    }
  ],
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      "args": {},
      "expansion": "precipitation reaction (plural precipitation reactions)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chemical reactions",
          "orig": "en:Chemical reactions",
          "parents": [
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "Any reversible reaction in which a product is continuously removed by precipitation, driving the reaction in one direction"
      ],
      "id": "en-precipitation_reaction-en-noun-tioRlwZH",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "reversible",
          "reversible"
        ],
        [
          "reaction",
          "reaction"
        ],
        [
          "product",
          "product"
        ],
        [
          "precipitation",
          "precipitation"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Any reversible reaction in which a product is continuously removed by precipitation, driving the reaction in one direction"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "de",
          "lang": "German",
          "sense": "reversible reaction in which a product is continuously removed by precipitation",
          "tags": [
            "feminine"
          ],
          "word": "Fällungsreaktion"
        }
      ]
    }
  ],
  "word": "precipitation reaction"
}

{
  "forms": [
    {
      "form": "precipitation reactions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
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      "expansion": "precipitation reaction (plural precipitation reactions)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      ],
      "glosses": [
        "Any reversible reaction in which a product is continuously removed by precipitation, driving the reaction in one direction"
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "reversible",
          "reversible"
        ],
        [
          "reaction",
          "reaction"
        ],
        [
          "product",
          "product"
        ],
        [
          "precipitation",
          "precipitation"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Any reversible reaction in which a product is continuously removed by precipitation, driving the reaction in one direction"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "reversible reaction in which a product is continuously removed by precipitation",
      "tags": [
        "feminine"
      ],
      "word": "Fällungsreaktion"
    }
  ],
  "word": "precipitation reaction"
}