"RTOS" meaning in English

{
  "forms": [
    {
      "form": "RTOSes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "es",
        "head": "RTOS"
      },
      "expansion": "RTOS (plural RTOSes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "real-time operating system"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Icelandic translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Computing",
          "orig": "en:Computing",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Initialism of real-time operating system."
      ],
      "id": "en-RTOS-en-noun-JzJNcKcP",
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "real-time",
          "real-time#English"
        ],
        [
          "operating system",
          "operating system#English"
        ]
      ],
      "raw_glosses": [
        "(computing) Initialism of real-time operating system."
      ],
      "related": [
        {
          "word": "RT"
        },
        {
          "word": "OS"
        },
        {
          "word": "JeOS"
        },
        {
          "word": "real-time"
        },
        {
          "word": "operating system"
        }
      ],
      "synonyms": [
        {
          "word": "RT-OS"
        },
        {
          "word": "real-time operating system"
        },
        {
          "word": "real-time OS"
        },
        {
          "word": "RT operating system"
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "translations": [
        {
          "code": "is",
          "lang": "Icelandic",
          "sense": "realtime operating system",
          "tags": [
            "neuter"
          ],
          "word": "rauntímastýrikerfi"
        }
      ],
      "wikipedia": [
        "RTOS"
      ]
    }
  ],
  "word": "RTOS"
}

{
  "forms": [
    {
      "form": "RTOSes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "es",
        "head": "RTOS"
      },
      "expansion": "RTOS (plural RTOSes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "RT"
    },
    {
      "word": "OS"
    },
    {
      "word": "JeOS"
    },
    {
      "word": "real-time"
    },
    {
      "word": "operating system"
    }
  ],
  "senses": [
    {
      "alt_of": [
        {
          "word": "real-time operating system"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English initialisms",
        "English lemmas",
        "English nouns",
        "English nouns with irregular plurals",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Icelandic translations",
        "en:Computing"
      ],
      "glosses": [
        "Initialism of real-time operating system."
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "real-time",
          "real-time#English"
        ],
        [
          "operating system",
          "operating system#English"
        ]
      ],
      "raw_glosses": [
        "(computing) Initialism of real-time operating system."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "wikipedia": [
        "RTOS"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "RT-OS"
    },
    {
      "word": "real-time operating system"
    },
    {
      "word": "real-time OS"
    },
    {
      "word": "RT operating system"
    }
  ],
  "translations": [
    {
      "code": "is",
      "lang": "Icelandic",
      "sense": "realtime operating system",
      "tags": [
        "neuter"
      ],
      "word": "rauntímastýrikerfi"
    }
  ],
  "word": "RTOS"
}