"prolongated" meaning in English

{
  "forms": [
    {
      "form": "more prolongated",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most prolongated",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "prolongated (comparative more prolongated, superlative most prolongated)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2015 June 4, Juliana Lott de Carvalho et al., “Production of Human Endothelial Cells Free from Soluble Xenogeneic Antigens for Bioartificial Small Diameter Vascular Graft Endothelization”, in BioMed Research International, volume 2015, →DOI:",
          "text": "However, those approaches are hindered by low cell yield, limited plasticity, and differentiation capacity following prolongated expansion in vitro [ 24 ].",
          "type": "quote"
        }
      ],
      "glosses": [
        "prolonged"
      ],
      "id": "en-prolongated-en-adj-6ceUJxB2",
      "links": [
        [
          "prolonged",
          "prolonged"
        ]
      ]
    }
  ],
  "word": "prolongated"
}

{
  "forms": [
    {
      "form": "more prolongated",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most prolongated",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "prolongated (comparative more prolongated, superlative most prolongated)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "2015 June 4, Juliana Lott de Carvalho et al., “Production of Human Endothelial Cells Free from Soluble Xenogeneic Antigens for Bioartificial Small Diameter Vascular Graft Endothelization”, in BioMed Research International, volume 2015, →DOI:",
          "text": "However, those approaches are hindered by low cell yield, limited plasticity, and differentiation capacity following prolongated expansion in vitro [ 24 ].",
          "type": "quote"
        }
      ],
      "glosses": [
        "prolonged"
      ],
      "links": [
        [
          "prolonged",
          "prolonged"
        ]
      ]
    }
  ],
  "word": "prolongated"
}