"2s" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "noun"
      },
      "expansion": "2s",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Chemistry",
          "orig": "mul:Chemistry",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Physics",
          "orig": "mul:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "an electron orbital type"
      ],
      "id": "en-2s-mul-noun-Lt~XlMzb",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "physics",
          "physics"
        ],
        [
          "electron",
          "electron#English"
        ],
        [
          "orbital",
          "orbital#English"
        ]
      ],
      "raw_glosses": [
        "(chemistry, physics) an electron orbital type"
      ],
      "related": [
        {
          "word": "1s"
        },
        {
          "word": "2p"
        },
        {
          "word": "3d"
        },
        {
          "word": "3p"
        },
        {
          "word": "3s"
        },
        {
          "word": "4d"
        },
        {
          "word": "4f"
        },
        {
          "word": "4p"
        },
        {
          "word": "4s"
        },
        {
          "word": "d"
        },
        {
          "word": "f"
        },
        {
          "word": "p"
        },
        {
          "word": "s"
        }
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "2s"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun form"
      },
      "expansion": "2s",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "Alternative form of twos",
          "word": "2"
        }
      ],
      "glosses": [
        "plural of 2; Alternative form of twos"
      ],
      "id": "en-2s-en-noun-bo7ODCyT",
      "links": [
        [
          "2",
          "2#English"
        ],
        [
          "twos",
          "twos#English"
        ]
      ],
      "qualifier": "numbers",
      "raw_glosses": [
        "(numbers) plural of 2; Alternative form of twos"
      ],
      "tags": [
        "form-of",
        "plural"
      ]
    }
  ],
  "word": "2s"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun form"
      },
      "expansion": "2s",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English non-lemma forms",
        "English noun forms",
        "English terms spelled with numbers"
      ],
      "form_of": [
        {
          "extra": "Alternative form of twos",
          "word": "2"
        }
      ],
      "glosses": [
        "plural of 2; Alternative form of twos"
      ],
      "links": [
        [
          "2",
          "2#English"
        ],
        [
          "twos",
          "twos#English"
        ]
      ],
      "qualifier": "numbers",
      "raw_glosses": [
        "(numbers) plural of 2; Alternative form of twos"
      ],
      "tags": [
        "form-of",
        "plural"
      ]
    }
  ],
  "word": "2s"
}

{
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "noun"
      },
      "expansion": "2s",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "noun",
  "related": [
    {
      "word": "1s"
    },
    {
      "word": "2p"
    },
    {
      "word": "3d"
    },
    {
      "word": "3p"
    },
    {
      "word": "3s"
    },
    {
      "word": "4d"
    },
    {
      "word": "4f"
    },
    {
      "word": "4p"
    },
    {
      "word": "4s"
    },
    {
      "word": "d"
    },
    {
      "word": "f"
    },
    {
      "word": "p"
    },
    {
      "word": "s"
    }
  ],
  "senses": [
    {
      "categories": [
        "Translingual entries with incorrect language header",
        "Translingual lemmas",
        "Translingual nouns",
        "Translingual terms spelled with numbers",
        "mul:Chemistry",
        "mul:Physics"
      ],
      "glosses": [
        "an electron orbital type"
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "physics",
          "physics"
        ],
        [
          "electron",
          "electron#English"
        ],
        [
          "orbital",
          "orbital#English"
        ]
      ],
      "raw_glosses": [
        "(chemistry, physics) an electron orbital type"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "2s"
}