"HDPE" meaning in English

{
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      "form": "HDPEs",
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        "plural"
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      "expansion": "HDPE (countable and uncountable, plural HDPEs)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "high-density polyethylene"
        }
      ],
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          "name": "Organic compounds",
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      ],
      "glosses": [
        "Initialism of high-density polyethylene."
      ],
      "id": "en-HDPE-en-noun-P9eh0Y-j",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
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        [
          "high-density polyethylene",
          "w:high-density polyethylene"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) Initialism of high-density polyethylene."
      ],
      "related": [
        {
          "word": "HMWPE"
        },
        {
          "word": "HPPE"
        },
        {
          "word": "LDPE"
        },
        {
          "word": "PE"
        },
        {
          "word": "UHDPE"
        },
        {
          "word": "UHMWPE"
        },
        {
          "word": "♴"
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "countable",
        "initialism",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
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      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "high-density polyethylene",
          "word": "PEHD"
        },
        {
          "code": "mul",
          "lang": "Translingual",
          "sense": "high-density polyethylene",
          "word": "PE-HD"
        }
      ]
    }
  ],
  "word": "HDPE"
}

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    {
      "form": "HDPEs",
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      "expansion": "HDPE (countable and uncountable, plural HDPEs)",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "HMWPE"
    },
    {
      "word": "HPPE"
    },
    {
      "word": "LDPE"
    },
    {
      "word": "PE"
    },
    {
      "word": "UHDPE"
    },
    {
      "word": "UHMWPE"
    },
    {
      "word": "♴"
    }
  ],
  "senses": [
    {
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        {
          "word": "high-density polyethylene"
        }
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      "glosses": [
        "Initialism of high-density polyethylene."
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "high-density polyethylene",
          "w:high-density polyethylene"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) Initialism of high-density polyethylene."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "countable",
        "initialism",
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  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "high-density polyethylene",
      "word": "PEHD"
    },
    {
      "code": "mul",
      "lang": "Translingual",
      "sense": "high-density polyethylene",
      "word": "PE-HD"
    }
  ],
  "word": "HDPE"
}