"PE-BD" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-"
      },
      "expansion": "PE-BD m (uncountable)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "polyéthylène basse densité"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "French 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"
        }
      ],
      "glosses": [
        "LDPE (“low density polyethylene”); Abbreviation of polyéthylène basse densité."
      ],
      "id": "en-PE-BD-fr-noun-FlaKARxk",
      "links": [
        [
          "LDPE",
          "LDPE#English"
        ],
        [
          "low density polyethylene",
          "low density polyethylene"
        ],
        [
          "polyéthylène basse densité",
          "polyéthylène basse densité#French"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "masculine",
        "uncountable"
      ]
    }
  ],
  "word": "PE-BD"
}

{
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-"
      },
      "expansion": "PE-BD m (uncountable)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "polyéthylène basse densité"
        }
      ],
      "categories": [
        "French abbreviations",
        "French entries with incorrect language header",
        "French lemmas",
        "French masculine nouns",
        "French multiword terms",
        "French nouns",
        "French uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "LDPE (“low density polyethylene”); Abbreviation of polyéthylène basse densité."
      ],
      "links": [
        [
          "LDPE",
          "LDPE#English"
        ],
        [
          "low density polyethylene",
          "low density polyethylene"
        ],
        [
          "polyéthylène basse densité",
          "polyéthylène basse densité#French"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "masculine",
        "uncountable"
      ]
    }
  ],
  "word": "PE-BD"
}