"RT" meaning in Translingual

{
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "noun"
      },
      "expansion": "RT",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "2011 January 5, E De Boer, A Zwartkruis-Nahuis, AE Heuvelink, Celine Harmanus, Ed J.Kuijper., “Prevalence of Clostridium difficile in retailed meat in The Netherlands”, in International Journal of Food Microbiology, volume 144, number 3 (in English), pages 561–564",
          "text": "Strains of RT 027 were not found in our study. Another recent emerging strain belonging to RT 078 has been found in animals and humans in the United States and in Canada.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Ribotype"
      ],
      "id": "en-RT-mul-noun-myEHG5Be",
      "links": [
        [
          "Ribotype",
          "ribotype"
        ]
      ],
      "raw_glosses": [
        "(in combination, usually with numbers) Ribotype"
      ],
      "raw_tags": [
        "with numbers"
      ],
      "tags": [
        "in-compounds",
        "usually"
      ]
    }
  ],
  "word": "RT"
}

{
  "categories": [
    "ja:Twitter"
  ],
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "noun"
      },
      "expansion": "RT",
      "name": "head"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Translingual entries with incorrect language header",
        "Translingual lemmas",
        "Translingual nouns",
        "Translingual terms with quotations"
      ],
      "examples": [
        {
          "ref": "2011 January 5, E De Boer, A Zwartkruis-Nahuis, AE Heuvelink, Celine Harmanus, Ed J.Kuijper., “Prevalence of Clostridium difficile in retailed meat in The Netherlands”, in International Journal of Food Microbiology, volume 144, number 3 (in English), pages 561–564",
          "text": "Strains of RT 027 were not found in our study. Another recent emerging strain belonging to RT 078 has been found in animals and humans in the United States and in Canada.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Ribotype"
      ],
      "links": [
        [
          "Ribotype",
          "ribotype"
        ]
      ],
      "raw_glosses": [
        "(in combination, usually with numbers) Ribotype"
      ],
      "raw_tags": [
        "with numbers"
      ],
      "tags": [
        "in-compounds",
        "usually"
      ]
    }
  ],
  "word": "RT"
}