"isospectral" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "iso",
        "3": "spectral"
      },
      "expansion": "iso- + spectral",
      "name": "prefix"
    }
  ],
  "etymology_text": "From iso- + spectral.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "isospectral (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with iso-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with German translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Polish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Having the same spectrum"
      ],
      "id": "en-isospectral-en-adj-nyzc092x",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "spectrum",
          "spectrum"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Having the same spectrum"
      ],
      "synonyms": [
        {
          "word": "cospectral"
        }
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Translations",
          "word": "isospektrinen"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "Translations",
          "word": "isospektral"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "Translations",
          "word": "izo-spektralny"
        }
      ],
      "wikipedia": [
        "isospectral"
      ]
    }
  ],
  "word": "isospectral"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "iso",
        "3": "spectral"
      },
      "expansion": "iso- + spectral",
      "name": "prefix"
    }
  ],
  "etymology_text": "From iso- + spectral.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "isospectral (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms prefixed with iso-",
        "English uncomparable adjectives",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with German translations",
        "Terms with Polish translations",
        "Translation table header lacks gloss",
        "en:Mathematics"
      ],
      "glosses": [
        "Having the same spectrum"
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "spectrum",
          "spectrum"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Having the same spectrum"
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "isospectral"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "cospectral"
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Translations",
      "word": "isospektrinen"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "Translations",
      "word": "isospektral"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "Translations",
      "word": "izo-spektralny"
    }
  ],
  "word": "isospectral"
}