"naphthenic acid" meaning in English

{
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    {
      "args": {
        "1": "en",
        "2": "naphthene",
        "3": "-ic",
        "4": "acid"
      },
      "expansion": "naphthene + -ic + acid",
      "name": "af"
    }
  ],
  "etymology_text": "naphthene + -ic + acid",
  "forms": [
    {
      "form": "naphthenic acids",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "naphthenic acid (plural naphthenic acids)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
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          "name": "English terms suffixed with -ic",
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          "source": "w"
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          "kind": "topical",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
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          "source": "w"
        }
      ],
      "glosses": [
        "any carboxylic acid derived from a naphthene"
      ],
      "id": "en-naphthenic_acid-en-noun-eU8IZd4b",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "carboxylic acid",
          "carboxylic acid"
        ],
        [
          "naphthene",
          "naphthene"
        ]
      ],
      "raw_glosses": [
        "(chemistry) any carboxylic acid derived from a naphthene"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "naphthenic acid"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "naphthene",
        "3": "-ic",
        "4": "acid"
      },
      "expansion": "naphthene + -ic + acid",
      "name": "af"
    }
  ],
  "etymology_text": "naphthene + -ic + acid",
  "forms": [
    {
      "form": "naphthenic acids",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "naphthenic acid (plural naphthenic acids)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        "English entries with incorrect language header",
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        "en:Chemistry"
      ],
      "glosses": [
        "any carboxylic acid derived from a naphthene"
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "carboxylic acid",
          "carboxylic acid"
        ],
        [
          "naphthene",
          "naphthene"
        ]
      ],
      "raw_glosses": [
        "(chemistry) any carboxylic acid derived from a naphthene"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "naphthenic acid"
}