"double decomposition" meaning in English

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      "form": "double decompositions",
      "tags": [
        "plural"
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      "expansion": "double decomposition (plural double decompositions)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "a reaction between two substances in which two parts of each substance are exchanged; metathesis"
      ],
      "id": "en-double_decomposition-en-noun-GFKGAknQ",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "reaction",
          "reaction"
        ],
        [
          "substance",
          "substance"
        ],
        [
          "exchange",
          "exchange"
        ],
        [
          "metathesis",
          "metathesis"
        ]
      ],
      "raw_glosses": [
        "(chemistry) a reaction between two substances in which two parts of each substance are exchanged; metathesis"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "double decomposition"
}

{
  "forms": [
    {
      "form": "double decompositions",
      "tags": [
        "plural"
      ]
    }
  ],
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      "expansion": "double decomposition (plural double decompositions)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "a reaction between two substances in which two parts of each substance are exchanged; metathesis"
      ],
      "links": [
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          "chemistry",
          "chemistry"
        ],
        [
          "reaction",
          "reaction"
        ],
        [
          "substance",
          "substance"
        ],
        [
          "exchange",
          "exchange"
        ],
        [
          "metathesis",
          "metathesis"
        ]
      ],
      "raw_glosses": [
        "(chemistry) a reaction between two substances in which two parts of each substance are exchanged; metathesis"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "double decomposition"
}