"ледниковый период" meaning in Russian

{
  "forms": [
    {
      "form": "леднико́вый пери́од",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "lednikóvyj períod",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "леднико́вого пери́ода",
      "tags": [
        "genitive"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "declension",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "ru-noun-table",
      "source": "declension",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "hard-stem",
      "source": "declension",
      "tags": [
        "class"
      ]
    },
    {
      "form": "accent-a",
      "source": "declension",
      "tags": [
        "class"
      ]
    },
    {
      "form": "леднико́вый пери́од",
      "roman": "lednikóvyj períod",
      "source": "declension",
      "tags": [
        "nominative",
        "singular"
      ]
    },
    {
      "form": "леднико́вого пери́ода",
      "roman": "lednikóvovo períoda",
      "source": "declension",
      "tags": [
        "genitive",
        "singular"
      ]
    },
    {
      "form": "леднико́вому пери́оду",
      "roman": "lednikóvomu períodu",
      "source": "declension",
      "tags": [
        "dative",
        "singular"
      ]
    },
    {
      "form": "леднико́вый пери́од",
      "roman": "lednikóvyj períod",
      "source": "declension",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "леднико́вым пери́одом",
      "roman": "lednikóvym períodom",
      "source": "declension",
      "tags": [
        "instrumental",
        "singular"
      ]
    },
    {
      "form": "леднико́вом пери́оде",
      "roman": "lednikóvom període",
      "source": "declension",
      "tags": [
        "prepositional",
        "singular"
      ]
    },
    {
      "form": "леднико́вый пері́одъ",
      "roman": "lednikóvyj períod",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "леднико́вый",
        "2": "+",
        "3": "_",
        "4": "пери́од",
        "n": "sg"
      },
      "expansion": "леднико́вый пери́од • (lednikóvyj períod) m inan (genitive леднико́вого пери́ода, uncountable)",
      "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": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian nouns with accent pattern a",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "ru",
          "name": "Time",
          "orig": "ru:Time",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "ice age"
      ],
      "id": "en-ледниковый_период-ru-noun-mqm5onsm",
      "links": [
        [
          "ice age",
          "ice age"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[lʲɪdʲnʲɪˈkovɨj pʲɪˈrʲiot]"
    },
    {
      "ipa": "[lʲɪdʲnʲɪˈkovɨj pʲɪˈrʲiət]"
    },
    {
      "ipa": "[lʲɪdʲnʲɪˈkovɨj pʲɪˈrʲiʊt]"
    }
  ],
  "word": "ледниковый период"
}

{
  "forms": [
    {
      "form": "леднико́вый пери́од",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "lednikóvyj períod",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "леднико́вого пери́ода",
      "tags": [
        "genitive"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "declension",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "ru-noun-table",
      "source": "declension",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "hard-stem",
      "source": "declension",
      "tags": [
        "class"
      ]
    },
    {
      "form": "accent-a",
      "source": "declension",
      "tags": [
        "class"
      ]
    },
    {
      "form": "леднико́вый пери́од",
      "roman": "lednikóvyj períod",
      "source": "declension",
      "tags": [
        "nominative",
        "singular"
      ]
    },
    {
      "form": "леднико́вого пери́ода",
      "roman": "lednikóvovo períoda",
      "source": "declension",
      "tags": [
        "genitive",
        "singular"
      ]
    },
    {
      "form": "леднико́вому пери́оду",
      "roman": "lednikóvomu períodu",
      "source": "declension",
      "tags": [
        "dative",
        "singular"
      ]
    },
    {
      "form": "леднико́вый пери́од",
      "roman": "lednikóvyj períod",
      "source": "declension",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "леднико́вым пери́одом",
      "roman": "lednikóvym períodom",
      "source": "declension",
      "tags": [
        "instrumental",
        "singular"
      ]
    },
    {
      "form": "леднико́вом пери́оде",
      "roman": "lednikóvom període",
      "source": "declension",
      "tags": [
        "prepositional",
        "singular"
      ]
    },
    {
      "form": "леднико́вый пері́одъ",
      "roman": "lednikóvyj períod",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "леднико́вый",
        "2": "+",
        "3": "_",
        "4": "пери́од",
        "n": "sg"
      },
      "expansion": "леднико́вый пери́од • (lednikóvyj períod) m inan (genitive леднико́вого пери́ода, uncountable)",
      "name": "ru-noun+"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Russian entries with incorrect language header",
        "Russian hard-stem masculine-form accent-a nouns",
        "Russian hard-stem masculine-form nouns",
        "Russian inanimate nouns",
        "Russian lemmas",
        "Russian links with redundant alt parameters",
        "Russian links with redundant wikilinks",
        "Russian masculine nouns",
        "Russian multiword terms",
        "Russian nouns",
        "Russian nouns with accent pattern a",
        "Russian terms with IPA pronunciation",
        "Russian uncountable nouns",
        "ru:Time"
      ],
      "glosses": [
        "ice age"
      ],
      "links": [
        [
          "ice age",
          "ice age"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[lʲɪdʲnʲɪˈkovɨj pʲɪˈrʲiot]"
    },
    {
      "ipa": "[lʲɪdʲnʲɪˈkovɨj pʲɪˈrʲiət]"
    },
    {
      "ipa": "[lʲɪdʲnʲɪˈkovɨj pʲɪˈrʲiʊt]"
    }
  ],
  "word": "ледниковый период"
}