"LDPE" meaning in English

{
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      "form": "LDPEs",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "low-density polyethylene"
        }
      ],
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          "langcode": "en",
          "name": "Organic compounds",
          "orig": "en:Organic compounds",
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      ],
      "glosses": [
        "Initialism of low-density polyethylene."
      ],
      "id": "en-LDPE-en-noun-SKXbTLbJ",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "polyethylene",
          "polyethylene#English"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) Initialism of low-density polyethylene."
      ],
      "related": [
        {
          "word": "HDPE"
        },
        {
          "word": "HMWPE"
        },
        {
          "word": "PE"
        },
        {
          "word": "UHDPE"
        },
        {
          "word": "UHMWPE"
        },
        {
          "word": "♶"
        }
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      "tags": [
        "abbreviation",
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        "countable",
        "initialism",
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      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
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      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "low-density polyethylene",
          "word": "PEBD"
        },
        {
          "code": "mul",
          "lang": "Translingual",
          "sense": "low-density polyethylene",
          "word": "PE-LD"
        }
      ]
    }
  ],
  "word": "LDPE"
}

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      "form": "LDPEs",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "HDPE"
    },
    {
      "word": "HMWPE"
    },
    {
      "word": "PE"
    },
    {
      "word": "UHDPE"
    },
    {
      "word": "UHMWPE"
    },
    {
      "word": "♶"
    }
  ],
  "senses": [
    {
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        {
          "word": "low-density polyethylene"
        }
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      "glosses": [
        "Initialism of low-density polyethylene."
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "polyethylene",
          "polyethylene#English"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) Initialism of low-density polyethylene."
      ],
      "tags": [
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        "countable",
        "initialism",
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  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "low-density polyethylene",
      "word": "PEBD"
    },
    {
      "code": "mul",
      "lang": "Translingual",
      "sense": "low-density polyethylene",
      "word": "PE-LD"
    }
  ],
  "word": "LDPE"
}