"diesel exhaust fluid" meaning in English

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      "expansion": "diesel exhaust + fluid",
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  ],
  "etymology_text": "From diesel exhaust + fluid. From being a liquid, which is a class of fluid, used for the treatment of the exhaust from diesel internal combustion engines.",
  "forms": [
    {
      "form": "diesel exhaust fluids",
      "tags": [
        "plural"
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      "expansion": "diesel exhaust fluid (plural diesel exhaust fluids)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "derived": [
        {
          "word": "DEF"
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      ],
      "glosses": [
        "A liquid used to reduce controlled emissions from the exhaust of diesel engines."
      ],
      "hypernyms": [
        {
          "word": "liquid"
        },
        {
          "word": "fluid"
        }
      ],
      "id": "en-diesel_exhaust_fluid-en-noun-LHQbD87x",
      "links": [
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          "emissions",
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        ],
        [
          "diesel engines",
          "diesel engine#English"
        ]
      ],
      "raw_glosses": [
        "(automotive) A liquid used to reduce controlled emissions from the exhaust of diesel engines."
      ],
      "related": [
        {
          "word": "diesel"
        },
        {
          "word": "diesel exhaust"
        },
        {
          "word": "exhaust"
        },
        {
          "word": "exhaust fluid"
        },
        {
          "word": "fluid"
        }
      ],
      "synonyms": [
        {
          "word": "DEF"
        }
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        "automotive",
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      "wikipedia": [
        "en:diesel exhaust fluid"
      ]
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  ],
  "word": "diesel exhaust fluid"
}

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  "derived": [
    {
      "word": "DEF"
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  "etymology_templates": [
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      "args": {
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        "2": "diesel exhaust",
        "3": "fluid"
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  ],
  "etymology_text": "From diesel exhaust + fluid. From being a liquid, which is a class of fluid, used for the treatment of the exhaust from diesel internal combustion engines.",
  "forms": [
    {
      "form": "diesel exhaust fluids",
      "tags": [
        "plural"
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      "expansion": "diesel exhaust fluid (plural diesel exhaust fluids)",
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      "word": "liquid"
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      "word": "fluid"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "diesel"
    },
    {
      "word": "diesel exhaust"
    },
    {
      "word": "exhaust"
    },
    {
      "word": "exhaust fluid"
    },
    {
      "word": "fluid"
    }
  ],
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      "glosses": [
        "A liquid used to reduce controlled emissions from the exhaust of diesel engines."
      ],
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      "raw_glosses": [
        "(automotive) A liquid used to reduce controlled emissions from the exhaust of diesel engines."
      ],
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        "vehicles"
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  "word": "diesel exhaust fluid"
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