"isochasm" meaning in English

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        "3": "χάσμα",
        "4": "",
        "5": "abyss, chasm"
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      "expansion": "Ancient Greek χάσμα (khásma, “abyss, chasm”)",
      "name": "der"
    }
  ],
  "etymology_text": "From iso- + Ancient Greek χάσμα (khásma, “abyss, chasm”). See chasma.",
  "forms": [
    {
      "form": "isochasms",
      "tags": [
        "plural"
      ]
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  "lang_code": "en",
  "pos": "noun",
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          "name": "Isolines",
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            "Cartography",
            "Meteorology",
            "Geography",
            "Atmosphere",
            "Earth sciences",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
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      ],
      "glosses": [
        "A line connecting places on the Earth's surface that have the same mean frequency of auroras."
      ],
      "id": "en-isochasm-en-noun-qWIcVdkj",
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        [
          "geography",
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          "line",
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        ],
        [
          "mean",
          "mean"
        ],
        [
          "frequency",
          "frequency"
        ],
        [
          "aurora",
          "aurora"
        ]
      ],
      "raw_glosses": [
        "(geography) A line connecting places on the Earth's surface that have the same mean frequency of auroras."
      ],
      "topics": [
        "geography",
        "natural-sciences"
      ]
    }
  ],
  "word": "isochasm"
}

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    {
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        "3": "χάσμα",
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        "5": "abyss, chasm"
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      "expansion": "Ancient Greek χάσμα (khásma, “abyss, chasm”)",
      "name": "der"
    }
  ],
  "etymology_text": "From iso- + Ancient Greek χάσμα (khásma, “abyss, chasm”). See chasma.",
  "forms": [
    {
      "form": "isochasms",
      "tags": [
        "plural"
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      "glosses": [
        "A line connecting places on the Earth's surface that have the same mean frequency of auroras."
      ],
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        [
          "geography",
          "geography"
        ],
        [
          "line",
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          "frequency"
        ],
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        "(geography) A line connecting places on the Earth's surface that have the same mean frequency of auroras."
      ],
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        "geography",
        "natural-sciences"
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    }
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