"propionic acid" meaning in English

{
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        "2": "fr",
        "3": "acide propionique"
      },
      "expansion": "French acide propionique",
      "name": "uder"
    },
    {
      "args": {
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        "3": "πρῶτος"
      },
      "expansion": "Ancient Greek πρῶτος (prôtos)",
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    {
      "args": {
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        "2": "πίων"
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      "expansion": "πίων (píōn)",
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  "etymology_text": "From French acide propionique, coined by chemist Jean-Baptiste Dumas, from Ancient Greek πρῶτος (prôtos) (\"first\") and πίων (píōn) (\"fat\"), because it was the smallest carboxylic acid that exhibited the properties of the other fatty acids, such as producing an oily layer when salted out of water and having a soapy potassium salt.",
  "head_templates": [
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      "expansion": "propionic acid (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "kind": "topical",
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          "name": "Fatty acids",
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      ],
      "derived": [
        {
          "word": "isobutylphenyl propionic acid"
        },
        {
          "word": "propionate"
        },
        {
          "word": "The widely used prop- prefix"
        }
      ],
      "glosses": [
        "The compound with the formula CH₃CH₂COOH, a naturally occurring carboxylic acid with a pungent odor."
      ],
      "id": "en-propionic_acid-en-noun-p-hmdk7-",
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          "organic chemistry",
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          "carboxylic acid",
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      "raw_glosses": [
        "(organic chemistry) The compound with the formula CH₃CH₂COOH, a naturally occurring carboxylic acid with a pungent odor."
      ],
      "synonyms": [
        {
          "word": "propanoic acid"
        },
        {
          "word": "E280 when used as a preservative"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "chemistry",
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      "wikipedia": [
        "Jean-Baptiste Dumas",
        "propionic acid"
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  "word": "propionic acid"
}

{
  "derived": [
    {
      "word": "isobutylphenyl propionic acid"
    },
    {
      "word": "propionate"
    },
    {
      "word": "The widely used prop- prefix"
    }
  ],
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  "etymology_text": "From French acide propionique, coined by chemist Jean-Baptiste Dumas, from Ancient Greek πρῶτος (prôtos) (\"first\") and πίων (píōn) (\"fat\"), because it was the smallest carboxylic acid that exhibited the properties of the other fatty acids, such as producing an oily layer when salted out of water and having a soapy potassium salt.",
  "head_templates": [
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "The compound with the formula CH₃CH₂COOH, a naturally occurring carboxylic acid with a pungent odor."
      ],
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          "organic chemistry",
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        "(organic chemistry) The compound with the formula CH₃CH₂COOH, a naturally occurring carboxylic acid with a pungent odor."
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  "synonyms": [
    {
      "word": "propanoic acid"
    },
    {
      "word": "E280 when used as a preservative"
    }
  ],
  "word": "propionic acid"
}