"precomplexing" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pre",
        "3": "complexing"
      },
      "expansion": "pre- + complexing",
      "name": "prefix"
    }
  ],
  "etymology_text": "From pre- + complexing.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "precomplexing (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with pre-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2015 August 12, “Genomic Analysis and Isolation of RNA Polymerase II Dependent Promoters from Spodoptera frugiperda”, in PLOS ONE, →DOI",
          "text": "DNA and Lipofectin were incubated with medium for precomplexing in 2.5% of the final volume.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "complexing prior to another process"
      ],
      "id": "en-precomplexing-en-noun-Em0UCC6d",
      "links": [
        [
          "complexing",
          "complexing"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "precomplexing"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pre",
        "3": "complexing"
      },
      "expansion": "pre- + complexing",
      "name": "prefix"
    }
  ],
  "etymology_text": "From pre- + complexing.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "precomplexing (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with pre-",
        "English terms with quotations",
        "English uncountable nouns",
        "Pages with 1 entry"
      ],
      "examples": [
        {
          "ref": "2015 August 12, “Genomic Analysis and Isolation of RNA Polymerase II Dependent Promoters from Spodoptera frugiperda”, in PLOS ONE, →DOI",
          "text": "DNA and Lipofectin were incubated with medium for precomplexing in 2.5% of the final volume.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "complexing prior to another process"
      ],
      "links": [
        [
          "complexing",
          "complexing"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "precomplexing"
}