"polyetylen" meaning in Norwegian Bokmål

{
  "etymology_templates": [
    {
      "args": {
        "1": "nb",
        "2": "poly",
        "3": "etylen"
      },
      "expansion": "poly- + etylen",
      "name": "prefix"
    }
  ],
  "etymology_text": "From poly- + etylen.",
  "forms": [
    {
      "form": "polyetylenet",
      "tags": [
        "definite",
        "singular"
      ]
    }
  ],
  "lang": "Norwegian Bokmål",
  "lang_code": "nb",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Norwegian Bokmål entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Norwegian Bokmål terms prefixed with poly-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 4 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "polyethylene, polythene (UK)"
      ],
      "id": "en-polyetylen-nb-noun--GJ7u0gU",
      "links": [
        [
          "polyethylene",
          "polyethylene"
        ],
        [
          "polythene",
          "polythene"
        ]
      ],
      "synonyms": [
        {
          "word": "polyeten"
        }
      ],
      "tags": [
        "neuter",
        "uncountable"
      ],
      "wikipedia": [
        "no:polyeten"
      ]
    }
  ],
  "word": "polyetylen"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "nb",
        "2": "poly",
        "3": "etylen"
      },
      "expansion": "poly- + etylen",
      "name": "prefix"
    }
  ],
  "etymology_text": "From poly- + etylen.",
  "forms": [
    {
      "form": "polyetylenet",
      "tags": [
        "definite",
        "singular"
      ]
    }
  ],
  "lang": "Norwegian Bokmål",
  "lang_code": "nb",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Norwegian Bokmål entries with incorrect language header",
        "Norwegian Bokmål lemmas",
        "Norwegian Bokmål neuter nouns",
        "Norwegian Bokmål nouns",
        "Norwegian Bokmål terms prefixed with poly-",
        "Norwegian Bokmål uncountable nouns",
        "Pages with 4 entries",
        "Pages with entries"
      ],
      "glosses": [
        "polyethylene, polythene (UK)"
      ],
      "links": [
        [
          "polyethylene",
          "polyethylene"
        ],
        [
          "polythene",
          "polythene"
        ]
      ],
      "tags": [
        "neuter",
        "uncountable"
      ],
      "wikipedia": [
        "no:polyeten"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "polyeten"
    }
  ],
  "word": "polyetylen"
}