"n-heptane" meaning in English

{
  "etymology_text": "The letter n may be used in front of heptane in order to differentiate the normal heptane from its isomers.",
  "head_templates": [
    {
      "args": {
        "1": "-",
        "head": "n-heptane"
      },
      "expansion": "n-heptane (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
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        {
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          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Swedish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Organic compounds",
          "orig": "en:Organic compounds",
          "parents": [
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The saturated aliphatic hydrocarbon (CH₃(CH₂)₅CH₃)."
      ],
      "id": "en-n-heptane-en-noun-GcmND3B1",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "saturated",
          "saturated"
        ],
        [
          "aliphatic",
          "aliphatic"
        ],
        [
          "hydrocarbon",
          "hydrocarbon"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) The saturated aliphatic hydrocarbon (CH₃(CH₂)₅CH₃)."
      ],
      "synonyms": [
        {
          "word": "heptane"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "hydrocarbon CH3(CH2)5CH3",
          "word": "n-heptaani"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "hydrocarbon CH3(CH2)5CH3",
          "word": "heptaani"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "hydrocarbon CH3(CH2)5CH3",
          "tags": [
            "common-gender"
          ],
          "word": "n-heptan"
        }
      ],
      "wikipedia": [
        "n-heptane"
      ]
    }
  ],
  "word": "n-heptane"
}

{
  "etymology_text": "The letter n may be used in front of heptane in order to differentiate the normal heptane from its isomers.",
  "head_templates": [
    {
      "args": {
        "1": "-",
        "head": "n-heptane"
      },
      "expansion": "n-heptane (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with Swedish translations",
        "en:Organic compounds"
      ],
      "glosses": [
        "The saturated aliphatic hydrocarbon (CH₃(CH₂)₅CH₃)."
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "saturated",
          "saturated"
        ],
        [
          "aliphatic",
          "aliphatic"
        ],
        [
          "hydrocarbon",
          "hydrocarbon"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) The saturated aliphatic hydrocarbon (CH₃(CH₂)₅CH₃)."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ],
      "wikipedia": [
        "n-heptane"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "heptane"
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "hydrocarbon CH3(CH2)5CH3",
      "word": "n-heptaani"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "hydrocarbon CH3(CH2)5CH3",
      "word": "heptaani"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "hydrocarbon CH3(CH2)5CH3",
      "tags": [
        "common-gender"
      ],
      "word": "n-heptan"
    }
  ],
  "word": "n-heptane"
}