"DOS" meaning in English

{
  "forms": [
    {
      "form": "DOS",
      "raw_tags": [
        "Acronym"
      ]
    },
    {
      "form": "DOS",
      "tags": [
        "singular"
      ]
    },
    {
      "form": "–",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "acronym"
    },
    {
      "args": {
        "1": "DOS",
        "2": "none"
      },
      "expansion": "[POS TABLE]",
      "name": "noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "abbrev",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old words",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "They began developing DOS's in the 1970's."
        }
      ],
      "glosses": [
        "Disk Operating System:",
        "Any computer operating system that is stored on a disk and read into memory."
      ],
      "id": "simple-DOS-en-abbrev-Ia4gsI1n",
      "raw_tags": [
        "countable & uncountable",
        "old, no longer used"
      ]
    },
    {
      "categories": [],
      "examples": [
        {
          "text": "Windows replaced DOS on most computers in the 1990s."
        },
        {
          "text": "DR-DOS is real DOS with complete open-source code."
        }
      ],
      "glosses": [
        "Disk Operating System:",
        "A group of operating systems that include PC-DOS, Microsoft DOS (MS-DOS), and others that look and work the same way."
      ],
      "id": "simple-DOS-en-abbrev-yaDL8pfB",
      "raw_tags": [
        "countable & uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "enpr": "dŏs"
    },
    {
      "ipa": "/dɒs/"
    },
    {
      "sampa": "/dQs/"
    }
  ],
  "word": "DOS"
}

{
  "forms": [
    {
      "form": "DOS",
      "raw_tags": [
        "Initialism"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "initialism"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "abbrev",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Military",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "date(s) of service"
      ],
      "id": "simple-DOS-en-abbrev-CLStxDVI",
      "raw_tags": [
        "military"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Military",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Date of separation"
      ],
      "id": "simple-DOS-en-abbrev-nfxqKRSA",
      "raw_tags": [
        "military"
      ]
    },
    {
      "glosses": [
        "Department of State"
      ],
      "id": "simple-DOS-en-abbrev-Bmsbn-hG",
      "tags": [
        "US"
      ]
    },
    {
      "glosses": [
        "density of states"
      ],
      "id": "simple-DOS-en-abbrev-bweOeZvr",
      "raw_tags": [
        "science"
      ]
    }
  ],
  "sounds": [
    {
      "enpr": "dŏs"
    },
    {
      "ipa": "/dɒs/"
    },
    {
      "sampa": "/dQs/"
    }
  ],
  "word": "DOS"
}

{
  "forms": [
    {
      "form": "DOS",
      "raw_tags": [
        "Acronym"
      ]
    },
    {
      "form": "DOS",
      "tags": [
        "singular"
      ]
    },
    {
      "form": "–",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "acronym"
    },
    {
      "args": {
        "1": "DOS",
        "2": "none"
      },
      "expansion": "[POS TABLE]",
      "name": "noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "abbrev",
  "senses": [
    {
      "categories": [
        "Countable nouns",
        "Old words",
        "Uncountable nouns"
      ],
      "examples": [
        {
          "text": "They began developing DOS's in the 1970's."
        }
      ],
      "glosses": [
        "Disk Operating System:",
        "Any computer operating system that is stored on a disk and read into memory."
      ],
      "raw_tags": [
        "countable & uncountable",
        "old, no longer used"
      ]
    },
    {
      "categories": [
        "Countable nouns",
        "Uncountable nouns"
      ],
      "examples": [
        {
          "text": "Windows replaced DOS on most computers in the 1990s."
        },
        {
          "text": "DR-DOS is real DOS with complete open-source code."
        }
      ],
      "glosses": [
        "Disk Operating System:",
        "A group of operating systems that include PC-DOS, Microsoft DOS (MS-DOS), and others that look and work the same way."
      ],
      "raw_tags": [
        "countable & uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "enpr": "dŏs"
    },
    {
      "ipa": "/dɒs/"
    },
    {
      "sampa": "/dQs/"
    }
  ],
  "word": "DOS"
}

{
  "forms": [
    {
      "form": "DOS",
      "raw_tags": [
        "Initialism"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "initialism"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "abbrev",
  "senses": [
    {
      "categories": [
        "Military"
      ],
      "glosses": [
        "date(s) of service"
      ],
      "raw_tags": [
        "military"
      ]
    },
    {
      "categories": [
        "Military"
      ],
      "glosses": [
        "Date of separation"
      ],
      "raw_tags": [
        "military"
      ]
    },
    {
      "glosses": [
        "Department of State"
      ],
      "tags": [
        "US"
      ]
    },
    {
      "glosses": [
        "density of states"
      ],
      "raw_tags": [
        "science"
      ]
    }
  ],
  "sounds": [
    {
      "enpr": "dŏs"
    },
    {
      "ipa": "/dɒs/"
    },
    {
      "sampa": "/dQs/"
    }
  ],
  "word": "DOS"
}