"нейтрино" meaning in Russian

{
  "forms": [
    {
      "form": "нейтри́но",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "nejtríno",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "нейтри́но",
        "2": "n-in",
        "3": "-"
      },
      "expansion": "нейтри́но • (nejtríno) n inan (indeclinable)",
      "name": "ru-noun"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ru",
          "name": "Leptons",
          "orig": "ru:Leptons",
          "parents": [
            "Fermions",
            "Subatomic particles",
            "Matter",
            "Particle physics",
            "Chemistry",
            "Nature",
            "Physics",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "roman": "elektrónnoje nejtríno",
          "word": "электро́нное нейтри́но"
        },
        {
          "roman": "elektrónnoje antinejtrino",
          "word": "электро́нное антинейтрино"
        },
        {
          "roman": "mjuonnoje nejtríno",
          "word": "мюонное нейтри́но"
        },
        {
          "roman": "mjuonnoje antinejtrino",
          "word": "мюонное антинейтрино"
        },
        {
          "roman": "tau-nejtríno",
          "word": "тау-нейтри́но"
        },
        {
          "roman": "anti-tau-nejtríno",
          "word": "анти-тау-нейтри́но"
        }
      ],
      "glosses": [
        "neutrino"
      ],
      "id": "en-нейтрино-ru-noun-jRQBAGUS",
      "links": [
        [
          "neutrino",
          "neutrino"
        ]
      ],
      "tags": [
        "indeclinable"
      ],
      "wikipedia": [
        "ru:нейтрино"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[nʲɪjˈtrʲinə]"
    },
    {
      "audio": "LL-Q7737 (rus)-DomesticFrog-нейтрино.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/af/LL-Q7737_%28rus%29-DomesticFrog-%D0%BD%D0%B5%D0%B9%D1%82%D1%80%D0%B8%D0%BD%D0%BE.wav/LL-Q7737_%28rus%29-DomesticFrog-%D0%BD%D0%B5%D0%B9%D1%82%D1%80%D0%B8%D0%BD%D0%BE.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/af/LL-Q7737_%28rus%29-DomesticFrog-%D0%BD%D0%B5%D0%B9%D1%82%D1%80%D0%B8%D0%BD%D0%BE.wav/LL-Q7737_%28rus%29-DomesticFrog-%D0%BD%D0%B5%D0%B9%D1%82%D1%80%D0%B8%D0%BD%D0%BE.wav.ogg"
    }
  ],
  "word": "нейтрино"
}

{
  "derived": [
    {
      "roman": "elektrónnoje nejtríno",
      "word": "электро́нное нейтри́но"
    },
    {
      "roman": "elektrónnoje antinejtrino",
      "word": "электро́нное антинейтрино"
    },
    {
      "roman": "mjuonnoje nejtríno",
      "word": "мюонное нейтри́но"
    },
    {
      "roman": "mjuonnoje antinejtrino",
      "word": "мюонное антинейтрино"
    },
    {
      "roman": "tau-nejtríno",
      "word": "тау-нейтри́но"
    },
    {
      "roman": "anti-tau-nejtríno",
      "word": "анти-тау-нейтри́но"
    }
  ],
  "forms": [
    {
      "form": "нейтри́но",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "nejtríno",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "нейтри́но",
        "2": "n-in",
        "3": "-"
      },
      "expansion": "нейтри́но • (nejtríno) n inan (indeclinable)",
      "name": "ru-noun"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Russian 3-syllable words",
        "Russian entries with incorrect language header",
        "Russian inanimate nouns",
        "Russian indeclinable nouns",
        "Russian lemmas",
        "Russian neuter nouns",
        "Russian nouns",
        "Russian terms with IPA pronunciation",
        "ru:Leptons"
      ],
      "glosses": [
        "neutrino"
      ],
      "links": [
        [
          "neutrino",
          "neutrino"
        ]
      ],
      "tags": [
        "indeclinable"
      ],
      "wikipedia": [
        "ru:нейтрино"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[nʲɪjˈtrʲinə]"
    },
    {
      "audio": "LL-Q7737 (rus)-DomesticFrog-нейтрино.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/af/LL-Q7737_%28rus%29-DomesticFrog-%D0%BD%D0%B5%D0%B9%D1%82%D1%80%D0%B8%D0%BD%D0%BE.wav/LL-Q7737_%28rus%29-DomesticFrog-%D0%BD%D0%B5%D0%B9%D1%82%D1%80%D0%B8%D0%BD%D0%BE.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/af/LL-Q7737_%28rus%29-DomesticFrog-%D0%BD%D0%B5%D0%B9%D1%82%D1%80%D0%B8%D0%BD%D0%BE.wav/LL-Q7737_%28rus%29-DomesticFrog-%D0%BD%D0%B5%D0%B9%D1%82%D1%80%D0%B8%D0%BD%D0%BE.wav.ogg"
    }
  ],
  "word": "нейтрино"
}