"polybutylene terephthalate" meaning in English

{
  "forms": [
    {
      "form": "polybutylene terephthalates",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
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      "expansion": "polybutylene terephthalate (countable and uncountable, plural polybutylene terephthalates)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Organic chemistry",
          "orig": "en:Organic chemistry",
          "parents": [
            "Chemistry",
            "Sciences",
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          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "PBT"
        }
      ],
      "glosses": [
        "A plastic used industrially as an electrical insulator."
      ],
      "id": "en-polybutylene_terephthalate-en-noun-jgnKsk-3",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "plastic",
          "plastic"
        ],
        [
          "insulator",
          "insulator"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) A plastic used industrially as an electrical insulator."
      ],
      "related": [
        {
          "word": "butylene"
        },
        {
          "word": "phthalate"
        },
        {
          "word": "polybutylene"
        },
        {
          "word": "terephthalate"
        }
      ],
      "synonyms": [
        {
          "word": "PBT"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
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      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "plastic",
          "word": "polytéréphtalate de butylène"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "plastic",
          "word": "polybutylène téréphtalate"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "plastic",
          "tags": [
            "masculine"
          ],
          "word": "polibutilentereftalato"
        },
        {
          "code": "ms",
          "lang": "Malay",
          "sense": "plastic",
          "word": "polibutilena tereftalat"
        }
      ],
      "wikipedia": [
        "polybutylene terephthalate"
      ]
    }
  ],
  "word": "polybutylene terephthalate"
}

{
  "derived": [
    {
      "word": "PBT"
    }
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  "forms": [
    {
      "form": "polybutylene terephthalates",
      "tags": [
        "plural"
      ]
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "butylene"
    },
    {
      "word": "phthalate"
    },
    {
      "word": "polybutylene"
    },
    {
      "word": "terephthalate"
    }
  ],
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      "glosses": [
        "A plastic used industrially as an electrical insulator."
      ],
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        [
          "organic chemistry",
          "organic chemistry"
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        [
          "plastic",
          "plastic"
        ],
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          "insulator"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) A plastic used industrially as an electrical insulator."
      ],
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      "topics": [
        "chemistry",
        "natural-sciences",
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      "wikipedia": [
        "polybutylene terephthalate"
      ]
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  "synonyms": [
    {
      "word": "PBT"
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "plastic",
      "word": "polytéréphtalate de butylène"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "plastic",
      "word": "polybutylène téréphtalate"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "plastic",
      "tags": [
        "masculine"
      ],
      "word": "polibutilentereftalato"
    },
    {
      "code": "ms",
      "lang": "Malay",
      "sense": "plastic",
      "word": "polibutilena tereftalat"
    }
  ],
  "word": "polybutylene terephthalate"
}