"РК" meaning in Russian

{
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "Респу́блика Казахста́н"
      },
      "expansion": "Initialism of Респу́блика Казахста́н (Respúblika Kazaxstán)",
      "name": "initialism"
    }
  ],
  "etymology_text": "Initialism of Респу́блика Казахста́н (Respúblika Kazaxstán).",
  "forms": [
    {
      "form": "RK",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "",
        "2": "f-in",
        "3": "-"
      },
      "expansion": "РК • (RK) f inan (indeclinable)",
      "name": "ru-noun"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "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": "place",
          "langcode": "ru",
          "name": "Countries in Asia",
          "orig": "ru:Countries in Asia",
          "parents": [
            "Countries",
            "Places",
            "Asia",
            "Polities",
            "Names",
            "Earth",
            "Eurasia",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Nature",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "ru",
          "name": "Countries in Europe",
          "orig": "ru:Countries in Europe",
          "parents": [
            "Countries",
            "Places",
            "Europe",
            "Polities",
            "Names",
            "Earth",
            "Eurasia",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Nature",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "ru",
          "name": "Kazakhstan",
          "orig": "ru:Kazakhstan",
          "parents": [
            "Asia",
            "Europe",
            "Earth",
            "Eurasia",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Republic of Kazakhstan (RK, an informal abbreviation for the name of the modern (since 1991) country, yet widely used in official documents)."
      ],
      "id": "en-РК-ru-noun-jo1cwd~U",
      "links": [
        [
          "Republic of Kazakhstan",
          "Republic of Kazakhstan"
        ],
        [
          "RK",
          "RK"
        ]
      ],
      "related": [
        {
          "roman": "Respúblika Kazaxstán",
          "word": "Респу́блика Казахста́н"
        },
        {
          "roman": "Kazaxstán",
          "word": "Казахста́н"
        },
        {
          "roman": "KazSSR",
          "word": "КазССР"
        },
        {
          "roman": "Kazáxskaja SSR",
          "word": "Каза́хская ССР"
        },
        {
          "roman": "SSSR",
          "word": "СССР"
        }
      ],
      "tags": [
        "indeclinable"
      ],
      "wikipedia": [
        "ru:Республика Казахстан"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɛr ˈka]"
    }
  ],
  "word": "РК"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "Респу́блика Казахста́н"
      },
      "expansion": "Initialism of Респу́блика Казахста́н (Respúblika Kazaxstán)",
      "name": "initialism"
    }
  ],
  "etymology_text": "Initialism of Респу́блика Казахста́н (Respúblika Kazaxstán).",
  "forms": [
    {
      "form": "RK",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "",
        "2": "f-in",
        "3": "-"
      },
      "expansion": "РК • (RK) f inan (indeclinable)",
      "name": "ru-noun"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "related": [
    {
      "roman": "Respúblika Kazaxstán",
      "word": "Респу́блика Казахста́н"
    },
    {
      "roman": "Kazaxstán",
      "word": "Казахста́н"
    },
    {
      "roman": "KazSSR",
      "word": "КазССР"
    },
    {
      "roman": "Kazáxskaja SSR",
      "word": "Каза́хская ССР"
    },
    {
      "roman": "SSSR",
      "word": "СССР"
    }
  ],
  "senses": [
    {
      "categories": [
        "Pages with 2 entries",
        "Pages with entries",
        "Russian entries with incorrect language header",
        "Russian feminine nouns",
        "Russian inanimate nouns",
        "Russian indeclinable nouns",
        "Russian initialisms",
        "Russian lemmas",
        "Russian nouns",
        "Russian terms with IPA pronunciation",
        "Russian terms with redundant head parameter",
        "ru:Countries in Asia",
        "ru:Countries in Europe",
        "ru:Kazakhstan"
      ],
      "glosses": [
        "Republic of Kazakhstan (RK, an informal abbreviation for the name of the modern (since 1991) country, yet widely used in official documents)."
      ],
      "links": [
        [
          "Republic of Kazakhstan",
          "Republic of Kazakhstan"
        ],
        [
          "RK",
          "RK"
        ]
      ],
      "tags": [
        "indeclinable"
      ],
      "wikipedia": [
        "ru:Республика Казахстан"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɛr ˈka]"
    }
  ],
  "word": "РК"
}