"perfluorooctanesulfonic acid" meaning in English

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      "expansion": "perfluorooctanesulfonic acid (uncountable)",
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  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "ref": "2014, Judith S. Weis, Marine Pollution: What Everyone Needs to Know®, Oxford University Press",
          "text": "These chemicals, such as perfluorooctanesulfonic acid (PFOS) and perfluorooctanoic acid (PFOA), are persistent and ubiquitous in the environment. They are also likely to be toxic and bioaccumulative.",
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      "glosses": [
        "A synthetic fluorosurfactant and persistent organic pollutant."
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      "raw_glosses": [
        "(organic chemistry) A synthetic fluorosurfactant and persistent organic pollutant."
      ],
      "synonyms": [
        {
          "word": "perfluorooctane sulfonate"
        },
        {
          "word": "PFOS"
        }
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        "uncountable"
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  "word": "perfluorooctanesulfonic acid"
}

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  "lang_code": "en",
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          "text": "These chemicals, such as perfluorooctanesulfonic acid (PFOS) and perfluorooctanoic acid (PFOA), are persistent and ubiquitous in the environment. They are also likely to be toxic and bioaccumulative.",
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      "glosses": [
        "A synthetic fluorosurfactant and persistent organic pollutant."
      ],
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      "raw_glosses": [
        "(organic chemistry) A synthetic fluorosurfactant and persistent organic pollutant."
      ],
      "synonyms": [
        {
          "word": "perfluorooctane sulfonate"
        },
        {
          "word": "PFOS"
        }
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  "word": "perfluorooctanesulfonic acid"
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