hydrogen line in English

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{
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    {
      "form": "hydrogen lines",
      "tags": [
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      "glosses": [
        "a spectral line of atomic hydrogen having a wavelength of about 21cm; used extensively in radio astronomy"
      ],
      "id": "en-hydrogen_line-en-noun-aXJpWdDb",
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          "spectral line",
          "spectral line"
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      "raw_glosses": [
        "(physics, astronomy) a spectral line of atomic hydrogen having a wavelength of about 21cm; used extensively in radio astronomy"
      ],
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        "astronomy",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "hydrogen line"
      ]
    }
  ],
  "word": "hydrogen line"
}

[Show JSON for raw wiktextract data ▼] [Hide JSON for raw wiktextract data ▲]

{
  "forms": [
    {
      "form": "hydrogen lines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "hydrogen line (plural hydrogen lines)",
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    }
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  "lang_code": "en",
  "pos": "noun",
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        "en:Astronomy",
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        "a spectral line of atomic hydrogen having a wavelength of about 21cm; used extensively in radio astronomy"
      ],
      "links": [
        [
          "physics",
          "physics"
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          "astronomy",
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          "wavelength"
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      "raw_glosses": [
        "(physics, astronomy) a spectral line of atomic hydrogen having a wavelength of about 21cm; used extensively in radio astronomy"
      ],
      "topics": [
        "astronomy",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "hydrogen line"
      ]
    }
  ],
  "word": "hydrogen line"
}

This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-12-21 from the enwiktionary dump dated 2024-12-04 using wiktextract (d8cb2f3 and 4e554ae). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.

"hydrogen line" meaning in English

Noun

Inflected forms