last scattering surface in English

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{
  "forms": [
    {
      "form": "last scattering surfaces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "last scattering surface (plural last scattering surfaces)",
      "name": "en-noun"
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  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
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            "Nature",
            "Fundamental"
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      ],
      "glosses": [
        "The horizon in the distant past of the universe at which photons ceased scattering from matter and were able to travel unimpeded to be observed in the present day."
      ],
      "id": "en-last_scattering_surface-en-noun-alga2UJA",
      "links": [
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        ],
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        [
          "photon",
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        ],
        [
          "scatter",
          "scatter"
        ]
      ],
      "raw_glosses": [
        "(astronomy) The horizon in the distant past of the universe at which photons ceased scattering from matter and were able to travel unimpeded to be observed in the present day."
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ]
    }
  ],
  "word": "last scattering surface"
}

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

{
  "forms": [
    {
      "form": "last scattering surfaces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "last scattering surface (plural last scattering surfaces)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
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        "en:Astronomy"
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      "glosses": [
        "The horizon in the distant past of the universe at which photons ceased scattering from matter and were able to travel unimpeded to be observed in the present day."
      ],
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
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          "horizon"
        ],
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        ],
        [
          "photon",
          "photon"
        ],
        [
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          "scatter"
        ]
      ],
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        "(astronomy) The horizon in the distant past of the universe at which photons ceased scattering from matter and were able to travel unimpeded to be observed in the present day."
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ]
    }
  ],
  "word": "last scattering surface"
}

This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2025-01-18 from the enwiktionary dump dated 2025-01-01 using wiktextract (e4a2c88 and 4230888). 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.

"last scattering surface" meaning in English

Noun