"Rydberg formula" meaning in English

{
  "etymology_text": "Formulated by the Swedish physicist Johannes Rydberg, and presented on 5 November 1888.",
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  "lang_code": "en",
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      "glosses": [
        "A formula used in atomic physics to describe the wavelengths of spectral lines of many chemical elements."
      ],
      "id": "en-Rydberg_formula-en-name-DcKXSNEK",
      "links": [
        [
          "atomic physics",
          "atomic physics"
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        [
          "wavelength",
          "wavelength"
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        [
          "spectral line",
          "spectral line"
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          "chemical element",
          "chemical element"
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      "wikipedia": [
        "Rydberg formula"
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{
  "etymology_text": "Formulated by the Swedish physicist Johannes Rydberg, and presented on 5 November 1888.",
  "head_templates": [
    {
      "args": {},
      "expansion": "Rydberg formula",
      "name": "en-proper noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
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        "English entries with language name categories using raw markup",
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      ],
      "glosses": [
        "A formula used in atomic physics to describe the wavelengths of spectral lines of many chemical elements."
      ],
      "links": [
        [
          "atomic physics",
          "atomic physics"
        ],
        [
          "wavelength",
          "wavelength"
        ],
        [
          "spectral line",
          "spectral line"
        ],
        [
          "chemical element",
          "chemical element"
        ]
      ],
      "wikipedia": [
        "Rydberg formula"
      ]
    }
  ],
  "word": "Rydberg formula"
}